CVE-2024-4774 Information

Description

The ShmemCharMapHashEntry() code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1886598 https://www.mozilla.org/security/advisories/mfsa2024-21/