Description
Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability affects Firefox < 135, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
Problem types
Certificate length was not properly checked
Product status
Credits
Theemathas
References
lists.debian.org/debian-lts-announce/2025/02/msg00006.html
bugzilla.mozilla.org/show_bug.cgi?id=1940804
www.mozilla.org/security/advisories/mfsa2025-07/
www.mozilla.org/security/advisories/mfsa2025-09/
www.mozilla.org/security/advisories/mfsa2025-10/
www.mozilla.org/security/advisories/mfsa2025-11/