Information disclosure, mitigation bypass in the Settings UI component. This vulnerability affects Firefox < 148 and Thunderbird < 148.CreditsSkywarpReferenceshttps://bugzilla.mozilla.org/show_bug.cgi?id=2012012https://www.mozilla.org/security/advisories/mfsa2026-13/https://www.mozilla.org/security/advisories/mfsa2026-16/