CVE-2023-5731 — Out-of-bounds Write in Mozilla Firefox

CWE-787 — Out-of-bounds Write11 documents8 sources
Severity
9.8CRITICALNVD
OSV4.3
EPSS
0.4%
top 39.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedOct 25
Latest updateNov 14

Description

Memory safety bugs present in Firefox 118. 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 < 119.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5mozilla/firefoxunspecified — 119
▶NVDmozilla/firefox< 119.0
▶Ubuntumozilla/firefox< 119.0+build2-0ubuntu0.20.04.1+1

🔴Vulnerability Details

5
OSV
firefox regressions↗2023-11-14
▶
OSV
firefox vulnerabilities↗2023-10-30
▶
OSV
CVE-2023-5731: Memory safety bugs present in Firefox 118↗2023-10-25
▶
GHSA
GHSA-65rf-w3qg-h7vh: Memory safety bugs present in Firefox 118↗2023-10-25
▶
CVEList
CVE-2023-5731: Memory safety bugs present in Firefox 118↗2023-10-24
▶

📋Vendor Advisories

5
Ubuntu
Firefox regressions↗2023-11-14
▶
Ubuntu
Firefox vulnerabilities↗2023-10-30
▶
Microsoft
Memory safety bugs present in Firefox 118. 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.↗2023-10-10
▶
Debian
CVE-2023-5731: firefox - Memory safety bugs present in Firefox 118. Some of these bugs showed evidence of...↗2023
▶
Mozilla
Mozilla Foundation Security Advisory 2023-45: CVE-2023-5731↗
▶
CVE-2023-5731 — Out-of-bounds Write in Mozilla Firefox | cvebase