CVE-2024-4774

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1886598	Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-21/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1886598	Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-21/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

History

28 Mar 2025, 19:15

Type	Values Removed	Values Added
CWE		CWE-758

22 Jan 2025, 17:56

Type	Values Removed	Values Added
CPE		cpe:2.3:a:mozilla:firefox:::::-:::*
CWE		NVD-CWE-noinfo
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
References	~~() https://bugzilla.mozilla.org/show_bug.cgi?id=1886598 -~~	() https://bugzilla.mozilla.org/show_bug.cgi?id=1886598 - Issue Tracking
References	~~() https://www.mozilla.org/security/advisories/mfsa2024-21/ -~~	() https://www.mozilla.org/security/advisories/mfsa2024-21/ - Vendor Advisory
First Time		Mozilla Mozilla firefox

Information

Published : 2024-05-14 18:15

Updated : 2025-03-28 19:15

NVD link : CVE-2024-4774

Mitre link : CVE-2024-4774

CVE.ORG link : CVE-2024-4774

JSON object : View

Products Affected

mozilla

firefox

CWE

NVD-CWE-noinfo CWE-758

Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

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