CVE-2023-4058 — Out-of-bounds Write in Mozilla Firefox

CWE-787 — Out-of-bounds Write12 documents7 sources
Severity
9.8CRITICALNVD
OSV5.3
EPSS
0.3%
top 46.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedAug 1
Latest updateAug 21

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.

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 — 116
▶NVDmozilla/firefox< 116.0
▶Ubuntumozilla/firefox< 116.0.2+build1-0ubuntu0.20.04.1+2

🔴Vulnerability Details

6
OSV
firefox regressions↗2023-08-21
▶
OSV
firefox regressions↗2023-08-08
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OSV
firefox vulnerabilities↗2023-08-02
▶
OSV
CVE-2023-4058: Memory safety bugs present in Firefox 115↗2023-08-02
▶
GHSA
GHSA-3rmj-h269-qjg5: Memory safety bugs present in Firefox 115↗2023-08-01
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📋Vendor Advisories

5
Ubuntu
Firefox regressions↗2023-08-21
▶
Ubuntu
Firefox regressions↗2023-08-08
▶
Ubuntu
Firefox vulnerabilities↗2023-08-02
▶
Debian
CVE-2023-4058: firefox - Memory safety bugs present in Firefox 115. Some of these bugs showed evidence of...↗2023
▶
Mozilla
Mozilla Foundation Security Advisory 2023-29: CVE-2023-4058↗
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