CVE-2024-4774

MEDIUM

Firefox < 126.0 - Use-After-Free via ShmemCharMapHashEntry Move Semantics Bypass

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.0004
EPSS Percentile 11.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-758
Status published
Products (1)
mozilla/firefox < 126.0
Published May 14, 2024
Tracked Since Feb 18, 2026