CVE-2026-6781 PUBLISHED

Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

• LatticeBased

• https://bugzilla.mozilla.org/show_bug.cgi?id=2025583
• https://www.mozilla.org/security/advisories/mfsa2026-30/
• https://www.mozilla.org/security/advisories/mfsa2026-33/