ANCHORE-2026-6751

ANCHORE-2026-6751 PUBLISHED

Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Affected Products

Vendor	Product	Versions
Mozilla	Thunderbird	0, 141
Mozilla	Firefox	116, 141

Timeline

Apr 21, 2026 CVE Published
Apr 21, 2026 CVE Updated

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2025883 url
https://www.mozilla.org/security/advisories/mfsa2026-30/ url
https://www.mozilla.org/security/advisories/mfsa2026-32/ url
https://www.mozilla.org/security/advisories/mfsa2026-33/ url
https://www.mozilla.org/security/advisories/mfsa2026-34/ url

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