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Vulnerability Details :

CVE-2026-12298

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-16 Jun, 2026 | 11:52
Updated At-30 Jun, 2026 | 12:05
Rejected At-
Credits

Memory safety bug fixed in Firefox 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mozilla
Assigner Org ID:f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At:16 Jun, 2026 | 11:52
Updated At:30 Jun, 2026 | 12:05
Rejected At:
â–¼CVE Numbering Authority (CNA)
Memory safety bug fixed in Firefox 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Unaffected
  • From 140.12 through 140.* (rpm)
  • From 152 through * (rpm)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Unaffected
  • From 140.12 through 140.* (rpm)
  • From 152 through * (rpm)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Haruka Yamazaki
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://bugzilla.mozilla.org/show_bug.cgi?id=2041981
N/A
https://www.mozilla.org/security/advisories/mfsa2026-57/
N/A
https://www.mozilla.org/security/advisories/mfsa2026-58/
N/A
https://www.mozilla.org/security/advisories/mfsa2026-60/
N/A
https://www.mozilla.org/security/advisories/mfsa2026-61/
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=2041981
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-57/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-58/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-60/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-61/
Resource: N/A
â–¼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-125CWE-125 Out-of-bounds Read
CWECWE-787CWE-787 Out-of-bounds Write
CWECWE-416CWE-416 Use After Free
Type: CWE
CWE ID: CWE-125
Description: CWE-125 Out-of-bounds Read
Type: CWE
CWE ID: CWE-787
Description: CWE-787 Out-of-bounds Write
Type: CWE
CWE ID: CWE-416
Description: CWE-416 Use After Free
Metrics
VersionBase scoreBase severityVector
3.15.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
2. firefox: thunderbird: Memory safety bug fixed in Firefox ESR 140.12

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bug fixed in Firefox ESR 140.12

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux AppStream (v. 10)
CPEs
  • cpe:/o:redhat:enterprise_linux:10.2
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux AppStream (v. 8)
CPEs
  • cpe:/a:redhat:enterprise_linux:8::appstream
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux AppStream (v. 9)
CPEs
  • cpe:/a:redhat:enterprise_linux:9::appstream
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10
CPEs
  • cpe:/o:redhat:enterprise_linux:10
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 6
CPEs
  • cpe:/o:redhat:enterprise_linux:6
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
affected
Problem Types
TypeCWE IDDescription
CWECWE-843Access of Resource Using Incompatible Type ('Type Confusion')
Type: CWE
CWE ID: CWE-843
Description: Access of Resource Using Incompatible Type ('Type Confusion')
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Red Hat severity rating
value:
Important
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions

RHSA-2026:27733: Red Hat Enterprise Linux AppStream (v. 10)

RHSA-2026:30846: Red Hat Enterprise Linux AppStream (v. 10)

RHSA-2026:27717: Red Hat Enterprise Linux AppStream (v. 8)

RHSA-2026:33445: Red Hat Enterprise Linux AppStream (v. 8)

RHSA-2026:27734: Red Hat Enterprise Linux AppStream (v. 9)

RHSA-2026:29940: Red Hat Enterprise Linux AppStream (v. 9)

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Reported to Red Hat.2026-06-16 14:03:09
Made public.2026-06-16 11:52:31
Event: Reported to Red Hat.
Date: 2026-06-16 14:03:09
Event: Made public.
Date: 2026-06-16 11:52:31
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2026-12298
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2489248
issue-tracking
x_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12298.json
x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:27733
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30846
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:27717
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33445
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:27734
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:29940
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-12298
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2489248
Resource:
issue-tracking
x_refsource_REDHAT
Hyperlink: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12298.json
Resource:
x_sadp-csaf-vex
Hyperlink: https://access.redhat.com/errata/RHSA-2026:27733
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2026:30846
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2026:27717
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2026:33445
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2026:27734
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2026:29940
Resource:
vendor-advisory
x_refsource_REDHAT
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:16 Jun, 2026 | 13:16
Updated At:30 Jun, 2026 | 13:17

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.4MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A
Type: Secondary
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches

Mozilla Corporation
mozilla
>>firefox>>Versions before 152.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Mozilla Corporation
mozilla
>>firefox>>Versions from 140.0(inclusive) to 140.12.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 152.0.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions from 140.0(inclusive) to 140.12.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
Weaknesses
CWE IDTypeSource
CWE-125Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-416Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-787Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-843Secondary0b0ca135-0b70-47e7-9f44-1890c2a1c46c
CWE ID: CWE-125
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-416
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-787
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-843
Type: Secondary
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=2041981security@mozilla.org
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-57/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-58/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-60/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-61/security@mozilla.org
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:277170b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:277330b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:277340b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:299400b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:308460b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:334450b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/security/cve/CVE-2026-122980b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://bugzilla.redhat.com/show_bug.cgi?id=24892480b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12298.json0b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=2041981
Source: security@mozilla.org
Resource:
Permissions Required
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-57/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-58/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-60/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-61/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2026:27717
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2026:27733
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2026:27734
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2026:29940
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2026:30846
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2026:33445
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-12298
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2489248
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12298.json
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A

Change History

0
Information is not available yet

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Action-Not Available
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Action-Not Available
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Action-Not Available
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||
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Action-Not Available
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Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
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CWE ID-CWE-825
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||
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Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-6784
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.30% / 21.86%
||
7 Day CHG+0.02%
Published-21 Apr, 2026 | 12:41
Updated-30 Jun, 2026 | 03:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox 150 and Thunderbird 150

Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-416
Use After Free
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-5735
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.1||HIGH
EPSS-0.26% / 17.00%
||
7 Day CHG-0.05%
Published-07 Apr, 2026 | 12:43
Updated-30 Jun, 2026 | 12:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox 149.0.2 and Thunderbird 149.0.2

Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-8946
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.56% / 42.45%
||
7 Day CHG+0.11%
Published-19 May, 2026 | 12:29
Updated-30 Jun, 2026 | 03:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Incorrect boundary conditions in the Audio/Video: Web Codecs component

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.9.4)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-8975
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.43% / 34.45%
||
7 Day CHG+0.09%
Published-19 May, 2026 | 12:30
Updated-30 Jun, 2026 | 03:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151

Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.9.4)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-8388
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.24% / 15.44%
||
7 Day CHG+0.06%
Published-12 May, 2026 | 12:36
Updated-30 Jun, 2026 | 03:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Incorrect boundary conditions in the JavaScript Engine: JIT component

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.9.4)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-7320
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.32% / 24.19%
||
7 Day CHG+0.05%
Published-28 Apr, 2026 | 13:49
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Information disclosure due to incorrect boundary conditions in the Audio/Video component

Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.9.4)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-125
Out-of-bounds Read
CVE-2026-4684
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.35% / 27.23%
||
7 Day CHG+0.08%
Published-24 Mar, 2026 | 12:30
Updated-30 Jun, 2026 | 03:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Race condition, use-after-free in the Graphics: WebRender component

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE ID-CWE-364
Signal Handler Race Condition
CWE ID-CWE-416
Use After Free
CVE-2026-4696
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.48% / 38.15%
||
7 Day CHG-0.01%
Published-24 Mar, 2026 | 12:30
Updated-01 Jul, 2026 | 12:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the Layout: Text and Fonts component

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream E4S (v.9.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-4691
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.48% / 38.15%
||
7 Day CHG-0.01%
Published-24 Mar, 2026 | 12:30
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the CSS Parsing and Computation component

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-4688
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.6||CRITICAL
EPSS-0.53% / 40.93%
||
7 Day CHG+0.12%
Published-24 Mar, 2026 | 12:30
Updated-30 Jun, 2026 | 03:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Sandbox escape due to use-after-free in the Disability Access APIs component

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-8090
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.3||HIGH
EPSS-0.32% / 23.47%
||
7 Day CHG+0.03%
Published-07 May, 2026 | 12:45
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the DOM: Networking component

Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.9.4)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux 9Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux 8Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-6746
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.59% / 43.72%
||
7 Day CHG+0.01%
Published-21 Apr, 2026 | 12:40
Updated-01 Jul, 2026 | 12:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream E4S (v.9.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-4698
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.76% / 50.59%
||
7 Day CHG+0.15%
Published-24 Mar, 2026 | 12:30
Updated-30 Jun, 2026 | 03:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-733
Compiler Optimization Removal or Modification of Security-critical Code
CWE ID-CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
CVE-2026-6747
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.40% / 31.98%
||
7 Day CHG+0.03%
Published-21 Apr, 2026 | 12:40
Updated-01 Jul, 2026 | 12:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the WebRTC component

Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream E4S (v.9.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-6786
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.50% / 39.09%
||
7 Day CHG+0.12%
Published-21 Apr, 2026 | 12:41
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150

Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-416
Use After Free
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-8947
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.3||HIGH
EPSS-0.41% / 33.20%
||
7 Day CHG+0.04%
Published-19 May, 2026 | 12:29
Updated-30 Jun, 2026 | 03:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the DOM: Bindings (WebIDL) component

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.9.4)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-44422
Matching Score-10
Assigner-GitHub, Inc.
ShareView Details
Matching Score-10
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.38% / 30.35%
||
7 Day CHG+0.06%
Published-29 May, 2026 | 19:41
Updated-30 Jun, 2026 | 12:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
FreeRDP RDPEAR NDR ref-id aliasing causes client-side UAF/double-free and type confusion

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP's RDPEAR NDR parser accepts one non-null NDR pointer ref-id for multiple logical pointer fields without tracking the pointed object's expected NDR type or ownership. When the same ref-id is reused across two pointer fields, the parser assigns the same heap object to both output fields. The generic destructor later walks each field independently and destroys/frees both pointers. This causes a malicious-server-triggerable heap use-after-free / double-free in the FreeRDP client's RDPEAR authentication-redirection path. This vulnerability is fixed in 3.26.0.

Action-Not Available
Vendor-Red Hat, Inc.FreeRDP
Product-freerdpFreeRDPRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-415
Double Free
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-34771
Matching Score-10
Assigner-GitHub, Inc.
ShareView Details
Matching Score-10
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.29% / 20.51%
||
7 Day CHG~0.00%
Published-03 Apr, 2026 | 23:47
Updated-30 Jun, 2026 | 12:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Electron: Use-after-free in WebContents fullscreen, pointer-lock, and keyboard-lock permission callbacks

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8, apps that register an asynchronous session.setPermissionRequestHandler() may be vulnerable to a use-after-free when handling fullscreen, pointer-lock, or keyboard-lock permission requests. If the requesting frame navigates or the window closes while the permission handler is pending, invoking the stored callback dereferences freed memory, which may lead to a crash or memory corruption. Apps that do not set a permission request handler, or whose handler responds synchronously, are not affected. This issue has been patched in versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8.

Action-Not Available
Vendor-Electron UserlandRed Hat, Inc.Electron (OpenJS Foundation)
Product-electronelectronRed Hat Build of Podman DesktopRed Hat Build of Podman Desktop - Tech Preview
CWE ID-CWE-364
Signal Handler Race Condition
CWE ID-CWE-416
Use After Free
CVE-2026-8389
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.33% / 25.00%
||
7 Day CHG+0.03%
Published-12 May, 2026 | 12:36
Updated-30 Jun, 2026 | 03:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
JIT miscompilation in the JavaScript Engine: JIT component

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-686
Function Call With Incorrect Argument Type
CWE ID-CWE-733
Compiler Optimization Removal or Modification of Security-critical Code
CWE ID-CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
CVE-2026-6785
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.51% / 39.88%
||
7 Day CHG+0.11%
Published-21 Apr, 2026 | 12:41
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150

Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-416
Use After Free
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-1012
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.42% / 33.60%
||
7 Day CHG~0.00%
Published-04 Feb, 2025 | 13:58
Updated-13 Apr, 2026 | 15:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free during concurrent delazification

A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2026-2772
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.47% / 37.24%
||
7 Day CHG+0.10%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the Audio/Video: Playback component

Use-after-free in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CVE-2026-2798
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.25% / 15.94%
||
7 Day CHG+0.01%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-416
Use After Free
CVE-2026-2767
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.38% / 30.39%
||
7 Day CHG+0.09%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CVE-2026-2796
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.62% / 45.55%
||
7 Day CHG-0.13%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
CVE-2026-2766
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.47% / 37.23%
||
7 Day CHG+0.02%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the JavaScript Engine: JIT component

Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CVE-2026-2804
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.29% / 20.63%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-13 Apr, 2026 | 15:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the JavaScript: WebAssembly component

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2026-2799
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.32% / 23.97%
||
7 Day CHG+0.01%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 03:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-416
Use After Free
CVE-2026-2793
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.31% / 23.17%
||
7 Day CHG-0.01%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148

Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-2792
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.31% / 23.17%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148

Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-2807
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.24% / 15.55%
||
7 Day CHG-0.05%
Published-24 Feb, 2026 | 13:33
Updated-01 Jul, 2026 | 12:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bugs fixed in Firefox 148 and Thunderbird 148

Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 9Red Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 8Red Hat Enterprise Linux 10
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-2764
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.47% / 37.23%
||
7 Day CHG-0.01%
Published-24 Feb, 2026 | 13:33
Updated-01 Jul, 2026 | 12:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
JIT miscompilation, use-after-free in the JavaScript Engine: JIT component

JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream E4S (v.9.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-416
Use After Free
CVE-2026-2770
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.47% / 37.23%
||
7 Day CHG+0.10%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 03:18
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the DOM: Bindings (WebIDL) component

Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CVE-2026-2763
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.47% / 37.24%
||
7 Day CHG-0.01%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the JavaScript Engine component

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CVE-2026-2797
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.32% / 23.32%
||
7 Day CHG+0.01%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 03:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the JavaScript: GC component

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-416
Use After Free
CVE-2026-2795
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.25% / 15.85%
||
7 Day CHG+0.02%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the JavaScript: GC component

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-416
Use After Free
CVE-2026-2758
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.48% / 37.73%
||
7 Day CHG-0.02%
Published-24 Feb, 2026 | 13:32
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the JavaScript: GC component

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CVE-2026-2765
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.47% / 37.23%
||
7 Day CHG+0.02%
Published-24 Feb, 2026 | 13:33
Updated-01 Jul, 2026 | 12:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the JavaScript Engine component

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream E4S (v.9.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux AppStream AUS (v.8.4)
CWE ID-CWE-416
Use After Free
CVE-2026-2771
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.48% / 38.12%
||
7 Day CHG-0.00%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Undefined behavior in the DOM: Core & HTML component

Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-125
Out-of-bounds Read
CVE-2026-2769
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.42% / 33.73%
||
7 Day CHG+0.08%
Published-24 Feb, 2026 | 13:33
Updated-30 Jun, 2026 | 12:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the Storage: IndexedDB component

Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux AppStream EUS (v. 10.0)Red Hat Enterprise Linux AppStream EUS (v.9.6)Red Hat Enterprise Linux AppStream AUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.6)Red Hat Enterprise Linux 7Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Red Hat Enterprise Linux AppStream TUS (v.8.8)Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux Server (v. 7 ELS)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)Red Hat Enterprise Linux AppStream E4S (v.9.2)Red Hat Enterprise Linux AppStream AUS (v. 8.2)Red Hat Enterprise Linux AppStream TUS (v.8.6)Red Hat Enterprise Linux AppStream E4S (v.8.8)Red Hat Enterprise Linux AppStream EUS (v.9.4)Red Hat Enterprise Linux AppStream AUS (v.8.4)Red Hat Enterprise Linux AppStream E4S (v.9.0)
CWE ID-CWE-416
Use After Free
CVE-2026-24869
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.23% / 13.96%
||
7 Day CHG+0.02%
Published-27 Jan, 2026 | 15:58
Updated-30 Jun, 2026 | 03:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the Layout: Scrolling and Overflow component

Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-416
Use After Free
CVE-2026-12299
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.31% / 22.29%
||
7 Day CHG+0.09%
Published-16 Jun, 2026 | 11:52
Updated-30 Jun, 2026 | 13:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
JIT miscompilation in the DOM: Core & HTML component

JIT miscompilation in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)
CWE ID-CWE-733
Compiler Optimization Removal or Modification of Security-critical Code
CWE ID-CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
CVE-2026-12329
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-5.3||MEDIUM
EPSS-0.31% / 23.17%
||
7 Day CHG+0.06%
Published-16 Jun, 2026 | 11:53
Updated-30 Jun, 2026 | 13:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Memory safety bug fixed in Thunderbird ESR 140.12

Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 10Red Hat Enterprise Linux AppStream (v. 9)Red Hat Enterprise Linux AppStream (v. 8)Red Hat Enterprise Linux 6Red Hat Enterprise Linux AppStream (v. 10)
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-416
Use After Free
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2026-12293
Matching Score-10
Assigner-Mozilla Corporation
ShareView Details
Matching Score-10
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.30% / 21.94%
||
7 Day CHG-0.06%
Published-16 Jun, 2026 | 11:52
Updated-30 Jun, 2026 | 03:18
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Use-after-free in the Graphics: WebGPU component

Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-416
Use After Free
CWE ID-CWE-825
Expired Pointer Dereference
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