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Vulnerability Details :

CVE-2024-8381

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-03 Sep, 2024 | 12:32
Updated At-04 Nov, 2025 | 16:15
Rejected At-
Credits

A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

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)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mozilla
Assigner Org ID:f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At:03 Sep, 2024 | 12:32
Updated At:04 Nov, 2025 | 16:15
Rejected At:
▼CVE Numbering Authority (CNA)

A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Affected
  • From unspecified before 130 (custom)
Vendor
Mozilla CorporationMozilla
Product
Firefox ESR
Versions
Affected
  • From unspecified before 128.2 (custom)
Vendor
Mozilla CorporationMozilla
Product
Firefox ESR
Versions
Affected
  • From unspecified before 115.15 (custom)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Affected
  • From unspecified before 128.2 (custom)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Affected
  • From unspecified before 115.15 (custom)
Problem Types
TypeCWE IDDescription
textN/AType confusion when looking up a property name in a "with" block
Type: text
CWE ID: N/A
Description: Type confusion when looking up a property name in a "with" block
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Nils Bars
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1912715
N/A
https://www.mozilla.org/security/advisories/mfsa2024-39/
N/A
https://www.mozilla.org/security/advisories/mfsa2024-40/
N/A
https://www.mozilla.org/security/advisories/mfsa2024-41/
N/A
https://www.mozilla.org/security/advisories/mfsa2024-43/
N/A
https://www.mozilla.org/security/advisories/mfsa2024-44/
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1912715
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-39/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-40/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-41/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-43/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-44/
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Vendor
Mozilla Corporationmozilla
Product
firefox
CPEs
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • From 0 before 130 (custom)
Vendor
Mozilla Corporationmozilla
Product
firefox_esr
CPEs
  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • From 0 before 128.2 (custom)
  • From 0 before 115.15 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-843CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
Type: CWE
CWE ID: CWE-843
Description: CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
Metrics
VersionBase scoreBase severityVector
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html
N/A
https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html
N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:03 Sep, 2024 | 13:15
Updated At:04 Nov, 2025 | 17:16

A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

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
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Mozilla Corporation
mozilla
>>firefox>>Versions before 130.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox_esr>>Versions before 115.15(exclusive)
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox_esr>>Versions from 128.0(inclusive) to 128.2(exclusive)
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-843Primarynvd@nist.gov
CWE-843Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-843
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-843
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1912715security@mozilla.org
Issue Tracking
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-39/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-40/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-41/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-43/security@mozilla.org
N/A
https://www.mozilla.org/security/advisories/mfsa2024-44/security@mozilla.org
N/A
https://lists.debian.org/debian-lts-announce/2024/09/msg00012.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
https://lists.debian.org/debian-lts-announce/2024/09/msg00025.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1912715
Source: security@mozilla.org
Resource:
Issue Tracking
Permissions Required
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-39/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-40/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-41/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-43/
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2024-44/
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A

Change History

0
Information is not available yet

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EPSS-0.53% / 41.68%
||
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A compromised content process could have allowed for the arbitrary loading of cross-origin pages. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.

Action-Not Available
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CWE ID-CWE-346
Origin Validation Error
CVE-2024-9402
Matching Score-8
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Matching Score-8
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CVSS Score-9.8||CRITICAL
EPSS-0.61% / 45.60%
||
7 Day CHG~0.00%
Published-01 Oct, 2024 | 15:13
Updated-04 Apr, 2025 | 14:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
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KEV Action Due Date-Not Available

Memory safety bugs present in Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2. 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 affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdfirefoxFirefoxFirefox ESRThunderbirdfirefoxthunderbirdfirefox_esr
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2024-9680
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-23.18% / 97.53%
||
7 Day CHG~0.00%
Published-09 Oct, 2024 | 12:59
Updated-04 Nov, 2025 | 14:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2024-11-05||Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.

Action-Not Available
Vendor-Mozilla CorporationDebian GNU/Linux
Product-firefoxdebian_linuxthunderbirdFirefoxFirefox ESRThunderbirdfirefoxfirefox_esrthunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2022-46882
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.92% / 56.63%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-15 Apr, 2025 | 15:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A use-after-free in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Firefox < 107, Firefox ESR < 102.6, and Thunderbird < 102.6.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefox_esrthunderbirdfirefoxThunderbirdFirefox ESRFirefox
CWE ID-CWE-416
Use After Free
CVE-2026-2770
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.47% / 38.01%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-416
Use After Free
CVE-2026-2757
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.49% / 39.35%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:32
Updated-15 Jul, 2026 | 02:19
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 WebRTC: Audio/Video component

Incorrect boundary conditions in the WebRTC: Audio/Video 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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-1384
Improper Handling of Physical or Environmental Conditions
CVE-2026-2758
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.48% / 38.52%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:32
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-416
Use After Free
CVE-2026-2763
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.47% / 38.01%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-416
Use After Free
CVE-2026-2771
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.48% / 38.89%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-125
Out-of-bounds Read
CVE-2026-2775
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.55% / 42.86%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Mitigation bypass in the DOM: HTML Parser component

Mitigation bypass in the DOM: HTML Parser 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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-288
Authentication Bypass Using an Alternate Path or Channel
CVE-2026-2777
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.37% / 29.17%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Privilege escalation in the Messaging System component

Privilege escalation in the Messaging System 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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-269
Improper Privilege Management
CVE-2026-2780
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.34% / 26.41%
||
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
Privilege escalation in the Netmonitor component

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-269
Improper Privilege Management
CVE-2026-2781
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.36% / 28.63%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-21 Apr, 2026 | 13:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Integer overflow in the Libraries component in NSS

Integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, Thunderbird 140.8, and Firefox ESR 115.35.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdfirefoxFirefoxThunderbird
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2026-2784
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.43% / 35.23%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-16 Apr, 2026 | 14:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-288
Authentication Bypass Using an Alternate Path or Channel
CVE-2026-2791
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.40% / 32.84%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-21 Apr, 2026 | 02:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Mitigation bypass in the Networking: Cache component

Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdFirefoxThunderbird
CWE ID-CWE-288
Authentication Bypass Using an Alternate Path or Channel
CVE-2026-2793
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.31% / 23.68%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-2795
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.25% / 16.06%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 9Red Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 8Red Hat Enterprise Linux 10
CWE ID-CWE-416
Use After Free
CVE-2026-2797
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.32% / 23.82%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:49
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 9Red Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 8Red Hat Enterprise Linux 10
CWE ID-CWE-416
Use After Free
CVE-2026-2800
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.31% / 22.97%
||
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
Spoofing issue in the WebAuthn component in Firefox for Android

Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-290
Authentication Bypass by Spoofing
CVE-2026-2807
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.24% / 15.79%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed 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-2024-8389
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.49% / 39.29%
||
7 Day CHG~0.00%
Published-03 Sep, 2024 | 12:32
Updated-06 Sep, 2024 | 18:31
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 present in Firefox 129. 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 affects Firefox < 130.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefoxfirefox
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-787
Out-of-bounds Write
CVE-2022-45406
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.06% / 61.09%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-15 Apr, 2025 | 15:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefox_esrthunderbirdfirefoxThunderbirdFirefox ESRFirefox
CWE ID-CWE-416
Use After Free
CVE-2026-2765
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.47% / 38.01%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-416
Use After Free
CVE-2026-2766
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.47% / 38.02%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:49
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-416
Use After Free
CVE-2026-2767
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.38% / 31.06%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-416
Use After Free
CVE-2026-2772
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.47% / 38.01%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-416
Use After Free
CVE-2026-2774
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.54% / 42.34%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Integer overflow in the Audio/Video component

Integer overflow in the Audio/Video 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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2026-2782
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.28% / 20.42%
||
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
Privilege escalation in the Netmonitor component

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-269
Improper Privilege Management
CVE-2026-2785
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.37% / 29.25%
||
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
Invalid pointer in the JavaScript Engine component

Invalid pointer 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-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-824
Access of Uninitialized Pointer
CVE-2026-2786
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.31% / 23.74%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-10 May, 2026 | 13:16
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 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-Mozilla Corporation
Product-thunderbirdfirefoxFirefoxThunderbird
CWE ID-CWE-416
Use After Free
CVE-2026-2787
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.40% / 32.87%
||
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 DOM: Window and Location component

Use-after-free in the DOM: Window and Location 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-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2026-2788
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.42% / 34.09%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-21 Apr, 2026 | 02:40
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: GMP component

Incorrect boundary conditions in the Audio/Video: GMP 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-Mozilla Corporation
Product-firefoxthunderbirdFirefoxThunderbird
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2026-2789
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.32% / 24.09%
||
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 Graphics: ImageLib component

Use-after-free in the Graphics: ImageLib 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-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-416
Use After Free
CVE-2026-2790
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.23% / 13.80%
||
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
Same-origin policy bypass in the Networking: JAR component

Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-346
Origin Validation Error
CVE-2026-2792
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.31% / 23.68%
||
7 Day CHG~0.00%
Published-24 Feb, 2026 | 13:33
Updated-15 Jul, 2026 | 02:19
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.4 Extended Update SupportRed Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat Enterprise Linux 10Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 9Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Enterprise Linux 8Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update Support
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-2805
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.40% / 33.07%
||
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
Invalid pointer in the DOM: Core & HTML component

Invalid pointer in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdThunderbirdFirefox
CWE ID-CWE-824
Access of Uninitialized Pointer
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