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Vulnerability Details :

CVE-2026-2774

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-24 Feb, 2026 | 13:33
Updated At-15 Jul, 2026 | 01:13
Rejected At-
Credits

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.

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:24 Feb, 2026 | 13:33
Updated At:15 Jul, 2026 | 01:13
Rejected At:
â–¼CVE Numbering Authority (CNA)
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.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Unaffected
  • From 115.33 through 115.* (rpm)
  • From 140.8 through 140.* (rpm)
  • From 148 through * (rpm)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Unaffected
  • From 140.8 through 140.* (rpm)
  • From 148 through * (rpm)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Evyatar Ben Asher, Keane Lucas, Nicholas Carlini, Newton Cheng, Daniel Freeman, Alex Gaynor, and Joel Weinberger using Claude from Anthropic
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://bugzilla.mozilla.org/show_bug.cgi?id=2014883
N/A
https://www.mozilla.org/security/advisories/mfsa2026-13/
N/A
https://www.mozilla.org/security/advisories/mfsa2026-14/
N/A
https://www.mozilla.org/security/advisories/mfsa2026-15/
N/A
https://www.mozilla.org/security/advisories/mfsa2026-16/
N/A
https://www.mozilla.org/security/advisories/mfsa2026-17/
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=2014883
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-13/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-14/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-15/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-16/
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-17/
Resource: N/A
â–¼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-190CWE-190 Integer Overflow or Wraparound
Type: CWE
CWE ID: CWE-190
Description: CWE-190 Integer Overflow or Wraparound
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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. firefox: thunderbird: Integer overflow in the Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Integer overflow in the Audio/Video component

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10
Collection URL
https://catalog.redhat.com/software/containers/
Package Name
firefox
CPEs
  • cpe:/o:redhat:enterprise_linux:10.1
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el10_1 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10
Collection URL
https://catalog.redhat.com/software/containers/
Package Name
thunderbird
CPEs
  • cpe:/o:redhat:enterprise_linux:10.1
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el10_1 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10.0 Extended Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/o:redhat:enterprise_linux_eus:10.0
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el10_0 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10.0 Extended Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/o:redhat:enterprise_linux_eus:10.0
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el10_0 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/o:redhat:rhel_els:7
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el7_9 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:enterprise_linux:8
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_10 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:enterprise_linux:8
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el8_10 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.2 Advanced Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_aus:8.2
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_2 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.2 Advanced Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_aus:8.2
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el8_2 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_aus:8.4
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_4 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_aus:8.4
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_4 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_eus_long_life:8.4
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_4 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_eus_long_life:8.4
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_4 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_aus:8.6
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_aus:8.6
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el8_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_tus:8.6
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_tus:8.6
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el8_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_e4s:8.6
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_e4s:8.6
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el8_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_tus:8.8
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_8 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_tus:8.8
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el8_8 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_e4s:8.8
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el8_8 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_e4s:8.8
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el8_8 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:enterprise_linux:9
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el9_7 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:enterprise_linux:9
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el9_7 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_e4s:9.0
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el9_0 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_e4s:9.0
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el9_0 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_e4s:9.2
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el9_2 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_e4s:9.2
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el9_2 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9.4 Extended Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_eus:9.4
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el9_4 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9.4 Extended Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_eus:9.4
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el9_4 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9.6 Extended Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/a:redhat:rhel_eus:9.6
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-2.el9_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 9.6 Extended Update Support
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/a:redhat:rhel_eus:9.6
Default Status
affected
Versions
Unaffected
  • From 0:140.8.0-1.el9_6 before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
rhel10/firefox-flatpak
CPEs
  • cpe:/o:redhat:enterprise_linux:10
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 10
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
rhel10/thunderbird-flatpak
CPEs
  • cpe:/o:redhat:enterprise_linux:10
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 6
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
firefox
CPEs
  • cpe:/o:redhat:enterprise_linux:6
Default Status
unknown
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 6
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/o:redhat:enterprise_linux:6
Default Status
unknown
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
thunderbird
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
unknown
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-2026:3984: Red Hat Enterprise Linux Server (v. 7 ELS)

RHSA-2026:3976: Red Hat Enterprise Linux AppStream EUS (v. 10.0)

RHSA-2026:4260: Red Hat Enterprise Linux AppStream EUS (v. 10.0)

RHSA-2026:3361: Red Hat Enterprise Linux AppStream (v. 10)

RHSA-2026:3517: Red Hat Enterprise Linux AppStream (v. 10)

RHSA-2026:3338: Red Hat Enterprise Linux AppStream (v. 8)

RHSA-2026:3515: Red Hat Enterprise Linux AppStream (v. 8)

RHSA-2026:3492: Red Hat Enterprise Linux AppStream AUS (v. 8.2)

RHSA-2026:4432: Red Hat Enterprise Linux AppStream AUS (v. 8.2)

RHSA-2026:3491: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)

RHSA-2026:3980: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)

RHSA-2026:3495: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)

RHSA-2026:3979: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)

RHSA-2026:3494: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)

RHSA-2026:4022: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)

RHSA-2026:3493: Red Hat Enterprise Linux AppStream E4S (v.9.0)

RHSA-2026:3983: Red Hat Enterprise Linux AppStream E4S (v.9.0)

RHSA-2026:4152: Red Hat Enterprise Linux AppStream E4S (v.9.2)

RHSA-2026:3978: Red Hat Enterprise Linux AppStream E4S (v.9.2)

RHSA-2026:3496: Red Hat Enterprise Linux AppStream EUS (v.9.4)

RHSA-2026:3981: Red Hat Enterprise Linux AppStream EUS (v.9.4)

RHSA-2026:3497: Red Hat Enterprise Linux AppStream EUS (v.9.6)

RHSA-2026:3982: Red Hat Enterprise Linux AppStream EUS (v.9.6)

RHSA-2026:3339: Red Hat Enterprise Linux AppStream (v. 9)

RHSA-2026:3516: Red Hat Enterprise Linux AppStream (v. 9)

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Reported to Red Hat.2026-02-24 14:02:20
Made public.2026-02-24 13:33:10
Event: Reported to Red Hat.
Date: 2026-02-24 14:02:20
Event: Made public.
Date: 2026-02-24 13:33:10
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2026-2774
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2442290
issue-tracking
x_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2774.json
x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:3984
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3976
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4260
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3361
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3517
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3338
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3515
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3492
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4432
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3491
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3980
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3495
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3979
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3494
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4022
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3493
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3983
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:4152
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3978
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3496
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3981
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3497
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3982
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:3339
vendor-advisory
x_refsource_REDHAT
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Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:24 Feb, 2026 | 14:16
Updated At:15 Jul, 2026 | 02:19

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.

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
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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: 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: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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 115.33.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Mozilla Corporation
mozilla
>>firefox>>Versions before 148.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Mozilla Corporation
mozilla
>>firefox>>Versions from 128.0(inclusive) to 140.8.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 140.8.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 148.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Weaknesses
CWE IDTypeSource
CWE-190Primarynvd@nist.gov
CWE-190Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-190
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-190
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=2014883security@mozilla.org
Issue Tracking
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-13/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-14/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-15/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-16/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-17/security@mozilla.org
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:33380b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:33390b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:33610b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:34910b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:34920b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:34930b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:34940b0ca135-0b70-47e7-9f44-1890c2a1c46c
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https://access.redhat.com/errata/RHSA-2026:34950b0ca135-0b70-47e7-9f44-1890c2a1c46c
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N/A
https://access.redhat.com/errata/RHSA-2026:34970b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:35150b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:35160b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:35170b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:39760b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
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N/A
https://access.redhat.com/errata/RHSA-2026:39790b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:39800b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:39810b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:39820b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:39830b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:39840b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:40220b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:41520b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:42600b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/errata/RHSA-2026:44320b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://access.redhat.com/security/cve/CVE-2026-27740b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://bugzilla.redhat.com/show_bug.cgi?id=24422900b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2774.json0b0ca135-0b70-47e7-9f44-1890c2a1c46c
N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=2014883
Source: security@mozilla.org
Resource:
Issue Tracking
Permissions Required
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-13/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-14/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-15/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-16/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-17/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2026:3338
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A
Hyperlink: https://access.redhat.com/errata/RHSA-2026:3339
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Resource: N/A
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Resource: N/A
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Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Resource: N/A

Change History

0
Information is not available yet

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ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.59% / 44.68%
||
7 Day CHG~0.00%
Published-19 Mar, 2024 | 12:02
Updated-14 Mar, 2025 | 16:15
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 123. 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 < 124.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefoxfirefox
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-6771
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.31% / 23.19%
||
7 Day CHG~0.00%
Published-21 Apr, 2026 | 12:41
Updated-27 May, 2026 | 16:51
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 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdfirefoxFirefoxThunderbird
CWE ID-CWE-288
Authentication Bypass Using an Alternate Path or Channel
CVE-2026-6786
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.50% / 39.87%
||
7 Day CHG~0.00%
Published-21 Apr, 2026 | 12:41
Updated-15 Jul, 2026 | 01:16
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-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 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
CWE ID-CWE-416
Use After Free
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-6722
Matching Score-8
Assigner-PHP Group
ShareView Details
Matching Score-8
Assigner-PHP Group
CVSS Score-9.5||CRITICAL
EPSS-0.89% / 55.80%
||
7 Day CHG+0.16%
Published-10 May, 2026 | 04:19
Updated-24 Jul, 2026 | 08:10
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 SOAP using Apache map

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the SOAP extension's object deduplication mechanism stores pointers to PHP objects in a global map without incrementing their reference counts. When an apache:Map node contains duplicate keys, processing the second entry overwrites the first in the temporary result map, freeing the original PHP object while its stale pointer remains in the map. A subsequent href reference to the freed node can copy the dangling pointer into the result. As PHP string allocations can reclaim the freed memory region, an attacker with control over the SOAP request body can exploit this use-after-free to achieve remote code execution.

Action-Not Available
Vendor-Red Hat, Inc.The PHP Group
Product-phpPHPRed 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
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2014-1518
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-5.98% / 92.53%
||
7 Day CHG~0.00%
Published-30 Apr, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationDebian GNU/LinuxFedora Project
Product-thunderbirdenterprise_linux_eusfirefoxubuntu_linuxseamonkeydebian_linuxenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusenterprise_linux_server_ausfedoraopensusen/a
CVE-2014-1524
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-7.54% / 93.87%
||
7 Day CHG~0.00%
Published-30 Apr, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The nsXBLProtoImpl::InstallImplementation function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 does not properly check whether objects are XBL objects, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted JavaScript code that accesses a non-XBL object as if it were an XBL object.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationDebian GNU/LinuxFedora Project
Product-thunderbirddebian_linuxfirefoxubuntu_linuxseamonkeyenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusfedoraenterprise_linux_server_ausenterprise_linux_eusopensusen/a
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2014-1477
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-5.51% / 91.96%
||
7 Day CHG~0.00%
Published-06 Feb, 2014 | 02:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationDebian GNU/LinuxFedora Project
Product-thunderbirdsuse_linux_enterprise_software_development_kitdebian_linuxubuntu_linuxseamonkeyenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusenterprise_linux_server_ausfedorafirefoxenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_eussuse_linux_enterprise_desktopopensusen/a
CVE-2014-1514
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-6.09% / 92.65%
||
7 Day CHG~0.00%
Published-19 Mar, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

vmtypedarrayobject.cpp in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 does not validate the length of the destination array before a copy operation, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write and application crash) by triggering incorrect use of the TypedArrayObject class.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationDebian GNU/Linux
Product-thunderbirdsuse_linux_enterprise_software_development_kitdebian_linuxubuntu_linuxseamonkeyenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusenterprise_linux_server_ausfirefoxenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_eussuse_linux_enterprise_desktopopensusen/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2020-12390
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.58% / 72.99%
||
7 Day CHG~0.00%
Published-26 May, 2020 | 17:03
Updated-04 Aug, 2024 | 11:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. This vulnerability affects Firefox < 76.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefox
CWE ID-CWE-502
Deserialization of Untrusted Data
CVE-2014-1532
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-4.65% / 90.77%
||
7 Day CHG~0.00%
Published-30 Apr, 2014 | 10:00
Updated-06 May, 2026 | 22:30
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 vulnerability in the nsHostResolver::ConditionallyRefreshRecord function in libxul.so in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors related to host resolution.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationDebian GNU/LinuxFedora Project
Product-thunderbirdenterprise_linux_eusfirefoxubuntu_linuxseamonkeydebian_linuxenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusenterprise_linux_server_ausfedoraopensusen/a
CWE ID-CWE-416
Use After Free
CVE-2014-1493
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-8.10% / 94.22%
||
7 Day CHG~0.00%
Published-19 Mar, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationDebian GNU/Linux
Product-thunderbirdsuse_linux_enterprise_software_development_kitdebian_linuxubuntu_linuxseamonkeyenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusenterprise_linux_server_ausfirefoxenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_eussuse_linux_enterprise_desktopopensusen/a
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2026-7324
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.3||HIGH
EPSS-0.30% / 22.20%
||
7 Day CHG~0.00%
Published-28 Apr, 2026 | 13:49
Updated-15 Jul, 2026 | 01:16
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 Thunderbird 150.0.1

Memory safety bugs present in Thunderbird 150.0.0. 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 150.0.1 and Thunderbird 150.0.1.

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-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2026-6747
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.40% / 32.68%
||
7 Day CHG~0.00%
Published-21 Apr, 2026 | 12:40
Updated-15 Jul, 2026 | 01:16
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 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-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 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
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-6750
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.48% / 38.87%
||
7 Day CHG~0.00%
Published-21 Apr, 2026 | 12:40
Updated-15 Jul, 2026 | 01:16
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 Graphics: WebRender component

Privilege escalation in the Graphics: WebRender 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-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 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-266
Incorrect Privilege Assignment
CWE ID-CWE-269
Improper Privilege Management
CVE-2026-6769
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.23% / 13.45%
||
7 Day CHG~0.00%
Published-21 Apr, 2026 | 12:41
Updated-26 May, 2026 | 17:52
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 Debugger component

Privilege escalation in the Debugger component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdfirefoxFirefoxThunderbird
CWE ID-CWE-269
Improper Privilege Management
CVE-2026-6746
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.59% / 44.51%
||
7 Day CHG~0.00%
Published-21 Apr, 2026 | 12:40
Updated-15 Jul, 2026 | 01:16
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 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-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 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
CWE ID-CWE-825
Expired Pointer Dereference
CVE-2026-6784
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.36% / 28.75%
||
7 Day CHG+0.06%
Published-21 Apr, 2026 | 12:41
Updated-15 Jul, 2026 | 01:16
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-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 9Red Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat Enterprise Linux 8Red Hat Enterprise Linux 10
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-416
Use After Free
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-6761
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.22% / 12.82%
||
7 Day CHG~0.00%
Published-21 Apr, 2026 | 12:40
Updated-27 May, 2026 | 17:06
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 Networking component

Privilege escalation in the Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdfirefoxFirefoxThunderbird
CWE ID-CWE-269
Improper Privilege Management
CVE-2020-10696
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-8.8||HIGH
EPSS-2.60% / 83.75%
||
7 Day CHG~0.00%
Published-31 Mar, 2020 | 21:01
Updated-04 Aug, 2024 | 11:06
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A path traversal flaw was found in Buildah in versions before 1.14.5. This flaw allows an attacker to trick a user into building a malicious container image hosted on an HTTP(s) server and then write files to the user's system anywhere that the user has permissions.

Action-Not Available
Vendor-buildah_projectRed Hat, Inc.
Product-openshift_container_platformbuildahenterprise_linuxbuildah
CWE ID-CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2026-7323
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.3||HIGH
EPSS-0.38% / 30.16%
||
7 Day CHG~0.00%
Published-28 Apr, 2026 | 13:49
Updated-15 Jul, 2026 | 01:16
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 Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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 150.0.1, Firefox ESR 140.10.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-thunderbirdfirefoxThunderbirdFirefoxRed Hat Enterprise Linux 7Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnRed Hat Enterprise Linux 6Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed 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 8.8 Update Services for SAP SolutionsRed Hat Enterprise Linux 10.0 Extended Update SupportRed Hat Enterprise Linux 9.4 Update Services for SAP Solutions
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-9805
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.21% / 65.29%
||
7 Day CHG~0.00%
Published-26 Apr, 2019 | 16:13
Updated-04 Aug, 2024 | 22:01
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A latent vulnerability exists in the Prio library where data may be read from uninitialized memory for some functions, leading to potential memory corruption. This vulnerability affects Firefox < 66.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefox
CWE ID-CWE-908
Use of Uninitialized Resource
CVE-2014-1510
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-82.34% / 99.63%
||
7 Day CHG~0.00%
Published-19 Mar, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Web IDL implementation in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allows remote attackers to execute arbitrary JavaScript code with chrome privileges by using an IDL fragment to trigger a window.open call.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationDebian GNU/Linux
Product-thunderbirdsuse_linux_enterprise_software_development_kitdebian_linuxubuntu_linuxseamonkeyenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusenterprise_linux_server_ausfirefoxenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_eussuse_linux_enterprise_desktopopensusen/a
CWE ID-CWE-269
Improper Privilege Management
CVE-2014-1511
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-83.63% / 99.66%
||
7 Day CHG~0.00%
Published-19 Mar, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allow remote attackers to bypass the popup blocker via unspecified vectors.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationDebian GNU/Linux
Product-thunderbirdsuse_linux_enterprise_software_development_kitdebian_linuxubuntu_linuxseamonkeyenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusenterprise_linux_server_ausfirefoxenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_eussuse_linux_enterprise_desktopopensusen/a
CWE ID-CWE-269
Improper Privilege Management
CVE-2021-38501
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-1.01% / 59.68%
||
7 Day CHG~0.00%
Published-03 Nov, 2021 | 00:02
Updated-04 Aug, 2024 | 01:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdfirefox_esrFirefoxFirefox ESRThunderbird
CVE-2019-9788
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-2.24% / 81.03%
||
7 Day CHG~0.00%
Published-26 Apr, 2019 | 16:13
Updated-25 Nov, 2025 | 17:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla developers and community members reported memory safety bugs present in Firefox 65, Firefox ESR 60.5, and Thunderbird 60.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-enterprise_linux_eusthunderbirdenterprise_linux_server_tusfirefoxenterprise_linuxenterprise_linux_server_ausThunderbirdFirefox ESRFirefox
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-9791
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-19.76% / 97.13%
||
7 Day CHG~0.00%
Published-26 Apr, 2019 | 16:13
Updated-25 Nov, 2025 | 17:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The type inference system allows the compilation of functions that can cause type confusions between arbitrary objects when compiled through the IonMonkey just-in-time (JIT) compiler and when the constructor function is entered through on-stack replacement (OSR). This allows for possible arbitrary reading and writing of objects during an exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-enterprise_linux_eusthunderbirdenterprise_linux_server_tusfirefoxenterprise_linuxenterprise_linux_server_ausThunderbirdFirefox ESRFirefox
CWE ID-CWE-843
Access of Resource Using Incompatible Type ('Type Confusion')
CVE-2021-38504
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-1.59% / 73.05%
||
7 Day CHG~0.00%
Published-08 Dec, 2021 | 21:21
Updated-04 Aug, 2024 | 01:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-firefoxthunderbirddebian_linuxfirefox_esrFirefoxFirefox ESRThunderbird
CWE ID-CWE-416
Use After Free
CVE-2019-9792
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-13.20% / 95.97%
||
7 Day CHG~0.00%
Published-26 Apr, 2019 | 16:13
Updated-25 Nov, 2025 | 17:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The IonMonkey just-in-time (JIT) compiler can leak an internal JS_OPTIMIZED_OUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Action-Not Available
Vendor-Red Hat, Inc.Mozilla Corporation
Product-enterprise_linux_eusthunderbirdenterprise_linux_server_tusfirefoxenterprise_linuxenterprise_linux_server_ausThunderbirdFirefox ESRFirefox
CWE ID-CWE-787
Out-of-bounds Write
CVE-2024-1936
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.68% / 48.73%
||
7 Day CHG~0.00%
Published-04 Mar, 2024 | 21:31
Updated-30 Jun, 2025 | 12:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The encrypted subject of an email message could be incorrectly and permanently assigned to an arbitrary other email message in Thunderbird's local cache. Consequently, when replying to the contaminated email message, the user might accidentally leak the confidential subject to a third-party. While this update fixes the bug and avoids future message contamination, it does not automatically repair existing contaminations. Users are advised to use the repair folder functionality, which is available from the context menu of email folders, which will erase incorrect subject assignments. This vulnerability affects Thunderbird < 115.8.1.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-debian_linuxthunderbirdThunderbirdthunderbird
CWE ID-CWE-922
Insecure Storage of Sensitive Information
CVE-2024-1546
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.71% / 49.84%
||
7 Day CHG~0.00%
Published-20 Feb, 2024 | 13:21
Updated-27 Mar, 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

When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-firefoxthunderbirddebian_linuxFirefox ESRFirefoxThunderbirdfirefoxfirefox_esrthunderbird
CWE ID-CWE-125
Out-of-bounds Read
CVE-2024-1554
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.38% / 30.77%
||
7 Day CHG~0.00%
Published-20 Feb, 2024 | 13:21
Updated-02 Apr, 2025 | 20:12
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The `fetch()` API and navigation incorrectly shared the same cache, as the cache key did not include the optional headers `fetch()` may contain. Under the correct circumstances, an attacker may have been able to poison the local browser cache by priming it with a `fetch()` response controlled by the additional headers. Upon navigation to the same URL, the user would see the cached response instead of the expected response. This vulnerability affects Firefox < 123.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefoxfirefox
CWE ID-CWE-345
Insufficient Verification of Data Authenticity
CVE-2019-3864
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-5.4||MEDIUM
EPSS-0.44% / 36.07%
||
7 Day CHG~0.00%
Published-21 Jan, 2020 | 15:44
Updated-04 Aug, 2024 | 19:19
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability was discovered in all quay-2 versions before quay-3.0.0, in the Quay web GUI where POST requests include a specific parameter which is used as a CSRF token. The token is not refreshed for every request or when a user logged out and in again. An attacker could use a leaked token to gain access to the system using the user's account.

Action-Not Available
Vendor-Red Hat, Inc.
Product-quayquay
CWE ID-CWE-352
Cross-Site Request Forgery (CSRF)
CVE-2021-38493
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-1.21% / 65.11%
||
7 Day CHG~0.00%
Published-03 Nov, 2021 | 00:03
Updated-04 Aug, 2024 | 01:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdfirefox_esrThunderbirdFirefox ESRFirefox
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-3888
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-5.3||MEDIUM
EPSS-3.41% / 87.64%
||
7 Day CHG~0.00%
Published-12 Jun, 2019 | 13:45
Updated-04 Aug, 2024 | 19:19
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability was found in Undertow web server before 2.0.21. An information exposure of plain text credentials through log files because Connectors.executeRootHandler:402 logs the HttpServerExchange object at ERROR level using UndertowLogger.REQUEST_LOGGER.undertowRequestFailed(t, exchange)

Action-Not Available
Vendor-Red Hat, Inc.NetApp, Inc.
Product-jboss_data_gridopenshift_application_runtimesvirtualizationenterprise_linuxvirtualization_hostactive_iq_unified_managerundertowundertow
CWE ID-CWE-532
Insertion of Sensitive Information into Log File
CVE-2023-32213
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.75% / 51.27%
||
7 Day CHG~0.00%
Published-02 Jun, 2023 | 00:00
Updated-27 May, 2025 | 16:53
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdfirefox_esrFirefoxFirefox ESRThunderbird
CWE ID-CWE-908
Use of Uninitialized Resource
CVE-2025-67030
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.66% / 47.95%
||
7 Day CHG~0.00%
Published-25 Mar, 2026 | 00:00
Updated-21 Jul, 2026 | 12:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Directory Traversal vulnerability in the extractFile method of org.codehaus.plexus.util.Expand in plexus-utils before 6d780b3378829318ba5c2d29547e0012d5b29642. This allows an attacker to execute arbitrary code

Action-Not Available
Vendor-codehaus-plexusn/aRed Hat, Inc.
Product-plexus-utilsn/aOpenShift Developer Tools and ServicesRed Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14Red Hat build of Quarkus 3.27.3Red Hat build of Apicurio Registry 2Red Hat Process Automation 7Red Hat JBoss Web Server 5Red Hat JBoss Web Server 6Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9streams for Apache Kafka 3Red Hat build of Debezium 3Red Hat JBoss Enterprise Application Platform 7Red Hat JBoss Core ServicesRed Hat Satellite 6streams for Apache Kafka 2Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat JBoss Enterprise Application Platform 8.1Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat OpenShift AI (RHOAI)Red Hat Enterprise Linux 7Red Hat Enterprise Linux 6Red Hat AMQ ClientsRed Hat Fuse 7Red Hat Enterprise Linux 10Red Hat build of Quarkus Native builderRed Hat JBoss Enterprise Application Platform Expansion PackRed Hat build of Apicurio Registry 3Red Hat Enterprise Linux 9Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat Data Grid 8Red Hat Enterprise Linux 8Cryostat 4OpenShift ServerlessRed Hat build of Quarkus 3.20.6Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8Red Hat Single Sign-On 7Red Hat AMQ Broker 7Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
CWE ID-CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2021-38499
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.79% / 52.53%
||
7 Day CHG~0.00%
Published-03 Nov, 2021 | 00:03
Updated-04 Aug, 2024 | 01:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla developers reported memory safety bugs present in Firefox 92. 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 < 93.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefox
CWE ID-CWE-787
Out-of-bounds Write
CVE-2024-12084
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-9.8||CRITICAL
EPSS-72.06% / 99.37%
||
7 Day CHG~0.00%
Published-15 Jan, 2025 | 14:16
Updated-29 Jun, 2026 | 21:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Rsync: heap buffer overflow in rsync due to improper checksum length handling

A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths (s2length) in the code. When MAX_DIGEST_LEN exceeds the fixed SUM_LENGTH (16 bytes), an attacker can write out of bounds in the sum2 buffer.

Action-Not Available
Vendor-tritondatacenternixosarchlinuxalmalinuxRed Hat, Inc.NovellGentoo Foundation, Inc.Samba
Product-rsyncenterprise_linuxnixossmartosalmalinuxlinuxarch_linuxsuse_linuxRed Hat OpenShift Container Platform 4Red Hat Enterprise Linux 7Red Hat Enterprise Linux 9Red Hat Enterprise Linux 10Red Hat Enterprise Linux 8Red Hat Enterprise Linux 6
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-45411
Matching Score-8
Assigner-GitHub, Inc.
ShareView Details
Matching Score-8
Assigner-GitHub, Inc.
CVSS Score-9.8||CRITICAL
EPSS-0.57% / 43.68%
||
7 Day CHG~0.00%
Published-13 May, 2026 | 17:38
Updated-15 Jul, 2026 | 02:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
vm2: Sandbox Breakout Using Async Generator

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.3, it is possible to catch a host exception using the yield* expression inside an async generator. When the generator is closed using the return function, the value is awaited on and exceptions thrown in the then call will be caught by the runtime and passed to the yield* iterator as the next value. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. This vulnerability is fixed in 3.11.3.

Action-Not Available
Vendor-vm2_projectpatriksimekRed Hat, Inc.
Product-vm2vm2Self-service automation portal 2Red Hat Developer Hub
CWE ID-CWE-237
Improper Handling of Structural Elements
CWE ID-CWE-668
Exposure of Resource to Wrong Sphere
CVE-2024-11704
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.92% / 56.59%
||
7 Day CHG~0.00%
Published-26 Nov, 2024 | 13:33
Updated-03 Nov, 2025 | 21:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A double-free issue could have occurred in `sec_pkcs7_decoder_start_decrypt()` when handling an error path. Under specific conditions, the same symmetric key could have been freed twice, potentially leading to memory corruption. This vulnerability affects Firefox < 133, Thunderbird < 133, Firefox ESR < 128.7, and Thunderbird < 128.7.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdFirefoxFirefox ESRThunderbirdfirefoxthunderbird
CWE ID-CWE-415
Double Free
CVE-2024-11699
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.69% / 48.90%
||
7 Day CHG~0.00%
Published-26 Nov, 2024 | 13:34
Updated-03 Nov, 2025 | 22:16
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 132, Firefox ESR 128.4, and Thunderbird 128.4. 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 < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdFirefoxFirefox ESRThunderbirdfirefoxfirefox_esrthunderbird
CWE ID-CWE-94
Improper Control of Generation of Code ('Code Injection')
CVE-2013-6671
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-11.08% / 95.45%
||
7 Day CHG~0.00%
Published-11 Dec, 2013 | 15:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The nsGfxScrollFrameInner::IsLTR function in Mozilla Firefox before 26.0, Firefox ESR 24.x before 24.2, Thunderbird before 24.2, and SeaMonkey before 2.23 allows remote attackers to execute arbitrary code via crafted use of JavaScript code for ordered list elements.

Action-Not Available
Vendor-n/aCanonical Ltd.openSUSESUSERed Hat, Inc.Mozilla CorporationFedora Project
Product-thunderbirdsuse_linux_enterprise_software_development_kitubuntu_linuxseamonkeyenterprise_linux_server_tusenterprise_linux_desktopenterprise_linux_server_eusenterprise_linux_server_ausfedorafirefoxenterprise_linux_serverenterprise_linux_workstationsuse_linux_enterprise_serverenterprise_linux_eussuse_linux_enterprise_desktopopensusen/a
CWE ID-CWE-94
Improper Control of Generation of Code ('Code Injection')
CVE-2024-11698
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.69% / 49.13%
||
7 Day CHG~0.00%
Published-26 Nov, 2024 | 13:34
Updated-27 Nov, 2024 | 16:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen mode when a modal dialog was opened during the transition. This issue left users unable to exit fullscreen mode using standard actions like pressing "Esc" or accessing right-click menus, resulting in a disrupted browsing experience until the browser is restarted. *This bug only affects the application when running on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

Action-Not Available
Vendor-Mozilla Corporation
Product-FirefoxFirefox ESRThunderbirdfirefoxthunderbirdfirefox_esr
CVE-2024-11691
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-8.8||HIGH
EPSS-0.70% / 49.53%
||
7 Day CHG~0.00%
Published-26 Nov, 2024 | 13:33
Updated-06 Jan, 2025 | 18:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Certain WebGL operations on Apple silicon M series devices could have lead to an out-of-bounds write and memory corruption due to a flaw in Apple's GPU driver. *This bug only affected the application on Apple M series hardware. Other platforms were unaffected.* This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Firefox ESR < 115.18, Thunderbird < 133, Thunderbird < 128.5, and Thunderbird < 115.18.

Action-Not Available
Vendor-Mozilla Corporation
Product-FirefoxFirefox ESRThunderbirdfirefoxthunderbirdfirefox_esr
CWE ID-CWE-787
Out-of-bounds Write
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