Firefox and Thunderbird are vulnerable to Out-of-Bounds Memory Read. The vulnerability is due to confusion in the length of buffers when storing and re-accessing data on a networking channel, resulting in an out-of-bounds memory read.
bugzilla.mozilla.org/show_bug.cgi?id=1843752
lists.debian.org/debian-lts-announce/2024/03/msg00000.html
lists.debian.org/debian-lts-announce/2024/03/msg00001.html
security-tracker.debian.org/tracker/CVE-2024-1546
www.mozilla.org/security/advisories/mfsa2024-05/
www.mozilla.org/security/advisories/mfsa2024-06/
www.mozilla.org/security/advisories/mfsa2024-07/