CVE-2023-4058

CRITICAL

Firefox < 116.0 - Out-of-bounds Write

Title source: llm
STIX 2.1

Description

Memory safety bugs present in Firefox 115. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116.

Scores

CVSS v3 9.8
EPSS 0.0029
EPSS Percentile 52.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
mozilla/firefox < 116.0
Published Aug 01, 2023
Tracked Since Feb 18, 2026