CVE-2024-4771

HIGH

Firefox < 126.0 - Use-After-Free via Failed Memory Allocation

Title source: llm
STIX 2.1

Description

A memory allocation check was missing which would lead to a use-after-free if the allocation failed. This could have triggered a crash or potentially be leveraged to achieve code execution. This vulnerability affects Firefox < 126.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1893891

Scores

CVSS v3 8.6
EPSS 0.0062
EPSS Percentile 70.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (1)
mozilla/firefox < 126.0
Published May 14, 2024
Tracked Since Feb 18, 2026