CVE-2022-34480

HIGH

Firefox < 102.0 - Use-After-Free in lg_init() Function

Title source: llm
STIX 2.1

Description

Within the <code>lg_init()</code> function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being allocated. This vulnerability affects Firefox < 102.

References (2)

Core 2
Core References
Issue Tracking, Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1454072

Scores

CVSS v3 8.8
EPSS 0.0058
EPSS Percentile 43.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-824
Status published
Products (1)
mozilla/firefox < 102.0
Published Dec 22, 2022
Tracked Since Feb 18, 2026