Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.CreditsXuehao GuoReferenceshttps://bugzilla.mozilla.org/show_bug.cgi?id=2027433https://www.mozilla.org/security/advisories/mfsa2026-35/https://www.mozilla.org/security/advisories/mfsa2026-36/https://www.mozilla.org/security/advisories/mfsa2026-37/https://www.mozilla.org/security/advisories/mfsa2026-38/https://www.mozilla.org/security/advisories/mfsa2026-39/