In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
https://www.mozilla.org/security/advisories/mfsa2024-20/
https://www.mozilla.org/security/advisories/mfsa2024-19/
https://www.mozilla.org/security/advisories/mfsa2024-18/
https://bugzilla.mozilla.org/show_bug.cgi?id=1884552
Source: Mitre, NVD
Published: 2024-04-16
Updated: 2025-04-01
Base Score: 7.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.00743