CVEvulnerability

CVE-2026-8946

7.5 HIGH Published 2026-05-19 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2026-05-19
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-119, CWE-787

Description

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

Affected configurations

• mozilla firefox (< 115.36.0) • mozilla firefox (< 151.0.0) • mozilla firefox (>= 140.0 < 140.11.0) • mozilla thunderbird (< 140.11)

Related

Weakness · CWE (2)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
  • CWE-787 Out-of-bounds Write weakness

References