CVE-2023-6873

high

Description

Memory safety bugs present in Firefox 120. 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 < 121.

References

https://www.mozilla.org/security/advisories/mfsa2023-56/

https://www.debian.org/security/2023/dsa-5582

https://security.gentoo.org/glsa/202401-10

https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1855327%2C1862089%2C1862723

Details

Source: Mitre, NVD

Published: 2023-12-19

Updated: 2024-02-02

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High