firefox is vulnerable to Out-of-Bounds-Read. The vulnerability is due to incorrect optimization of switch statements by the JIT (Just-In-Time) compiler. It results in code with out-of-bounds-reads in certain code patterns involving switch statements.
bugzilla.mozilla.org/show_bug.cgi?id=1884552
lists.debian.org/debian-lts-announce/2024/04/msg00012.html
lists.debian.org/debian-lts-announce/2024/04/msg00013.html
security-tracker.debian.org/tracker/CVE-2024-3854
www.mozilla.org/security/advisories/mfsa2024-18/
www.mozilla.org/security/advisories/mfsa2024-19/
www.mozilla.org/security/advisories/mfsa2024-20/