Firefox is vulnerable to Use After Free. The vulnerability is caused due to a flaw in function nsDNSService::Init
which appears to manifest rarely during start-up. This can lead to compromising Confidentiality, Integrity and Availability of the system.
bugzilla.mozilla.org/show_bug.cgi?id=1868042
lists.debian.org/debian-lts-announce/2023/12/msg00020.html
lists.debian.org/debian-lts-announce/2023/12/msg00021.html
security-tracker.debian.org/tracker/CVE-2023-6862
security.gentoo.org/glsa/202401-10
www.debian.org/security/2023/dsa-5581
www.debian.org/security/2023/dsa-5582
www.mozilla.org/security/advisories/mfsa2023-54/
www.mozilla.org/security/advisories/mfsa2023-55/