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CVE-2024-4774

Date: May 14, 2024

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.

Language: C

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2024-4774
https://www.mozilla.org/security/advisories/mfsa2024-21/
https://bugzilla.mozilla.org/show_bug.cgi?id=1886598
https://www.mend.io/vulnerability-database/CVE-2024-4774

Severity Score

Weakness Type (CWE)

Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

CWE-758

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): LOW

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