CVE-2023-6213

Published: Nov 21, 2023Modified: Jun 17, 2026

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

Memory safety bugs present in Firefox 119. 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 < 120.

Affected (1)

Products: Mozilla: Firefox

Mozilla

1 product

Firefox

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 120.0

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (6)

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1849265%2C1851118%2C1854911

Source: security@mozilla.org

Broken Link

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

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2023-49/

Source: security@mozilla.org

Release NotesVendor Advisory

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1849265%2C1851118%2C1854911

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

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

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.mozilla.org/security/advisories/mfsa2023-49/

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesVendor Advisory

Timeline

No history available yet.