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CVE-2026-4697

HIGH CVSS: 7.5 Published: 2026-03-24 Modified: 2026-07-15

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 Platforms

Mozilla Firefox

Weakness Type

CWE-754, CWE-754, CWE-787

References