ANCHORE-2026-6771

ANCHORE-2026-6771 PUBLISHED

Mitigation bypass in the DOM: Security 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	141, 116

Timeline

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

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2025067 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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