CVE-2024-4774

State: Published
Severity: 6.5 Medium
Published: May 14, 2024
Updated: Mar 28, 2025
Reserved: May 10, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L	CISA-ADP

Weaknesses

CWE-758 Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

Affected Products

Product	Versions
FirefoxMozilla	before 126Affected

References

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

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