PT-2026-27394 · Mozilla · Firefox+1

Atte Kettunen · Published 2026-03-24 · Updated 2026-03-24 · CVE-2026-4695

NVD

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9.

Related Identifiers

CVE-2026-4695

Affected Products

Firefox

Firefox Esr

References · 4

• https://mozilla.org/security/advisories/mfsa2026-20 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2026-22 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-4695 · Security Note
• https://bugzilla.mozilla.org/show_bug.cgi?id=2020030 · Note