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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-4695

Incorrect boundary conditions in the Audio/Video: Web Codecs component

Description

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • 140.9 to ≤ 140.*unaffected
  • 149 to ≤ *unaffected

Mozilla Thunderbird

  • 140.9 to ≤ 140.*unaffected
  • 149 to ≤ *unaffected

References