Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.CreditsSatoki TsujiReferenceshttps://bugzilla.mozilla.org/show_bug.cgi?id=2023615https://www.mozilla.org/security/advisories/mfsa2026-30/https://www.mozilla.org/security/advisories/mfsa2026-33/