CVE-2023-6213 — Out-of-bounds Write in Mozilla Firefox

CWE-787 — Out-of-bounds Write10 documents7 sources
Severity
8.8HIGHNVD
OSV6.5
EPSS
0.2%
top 54.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedNov 21
Latest updateDec 4

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5mozilla/firefoxunspecified — 120
▶NVDmozilla/firefox< 120.0
▶Ubuntumozilla/firefox< 120.0+build2-0ubuntu0.20.04.1+1

🔴Vulnerability Details

5
OSV
firefox regressions↗2023-12-04
▶
OSV
firefox vulnerabilities↗2023-11-23
▶
OSV
CVE-2023-6213: Memory safety bugs present in Firefox 119↗2023-11-21
▶
GHSA
GHSA-p8v4-vgvr-p55f: Memory safety bugs present in Firefox 119↗2023-11-21
▶
CVEList
CVE-2023-6213: Memory safety bugs present in Firefox 119↗2023-11-21
▶

📋Vendor Advisories

4
Ubuntu
Firefox regressions↗2023-12-04
▶
Ubuntu
Firefox vulnerabilities↗2023-11-23
▶
Debian
CVE-2023-6213: firefox - Memory safety bugs present in Firefox 119. Some of these bugs showed evidence of...↗2023
▶
Mozilla
Mozilla Foundation Security Advisory 2023-49: CVE-2023-6213↗
▶
CVE-2023-6213 — Out-of-bounds Write in Mozilla Firefox | cvebase