CVE-2023-5171 Information

Description

During Ion compilation a Garbage Collection could have resulted in a use-after-free condition allowing an attacker to write two NUL bytes and cause a potentially exploitable crash. This vulnerability affects Firefox < 118 Firefox ESR < 115.3 and Thunderbird < 115.3.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1851599 https://www.mozilla.org/security/advisories/mfsa2023-41/ https://www.mozilla.org/security/advisories/mfsa2023-43/ https://www.mozilla.org/security/advisories/mfsa2023-42/ https://www.debian.org/security/2023/dsa-5506 https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html