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VULNERABILITIES

CVE-2026-118004 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Incorrect boundary conditions in the CSS Transitions and Animations component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:6.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA: CISA-ADPCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=2077756 [email protected]Issue TrackingPermission RequiredVendor
https://www.mozilla.org/security/advisories/mfsa2026-118/ [email protected]AdvisoryBundleVendor
https://www.mozilla.org/security/advisories/mfsa2026-120/ [email protected]AdvisoryBundleVendor
https://www.mozilla.org/security/advisories/mfsa2026-121/ [email protected]
https://www.mozilla.org/security/advisories/mfsa2026-122/ [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferCISA-ADP

Affected Products

ProductVersions
Mozilla Firefox
All versions

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Remediation

  • Upgrade: 159moderate effort
  • Upgrade: 153.6moderate effort

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-118004
NVD Published Date:
Oct 27, 2026
NVD Last Modified:
Nov 5, 2026
Source:
[email protected]