Buffer overflow in Mozilla Firefox and Firefox for Android - CVE-2023-23606

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Main Vulnerability Database Vulnerabilities #VU71232

Buffer overflow in Mozilla Firefox and Firefox for Android - CVE-2023-23606

Published: January 17, 2023


Vulnerability identifier: #VU71232
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-23606
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Mozilla Firefox
Firefox for Android
Gentoo Linux
Ubuntu
www-client/firefox
firefox (Ubuntu package)

How to mitigate CVE-2023-23606

Install updates from vendor's website.

Mozilla Firefox - update to 109.0
Firefox for Android - update to 109.1.1
www-client/firefox - update to 104
firefox (Ubuntu package) - addressed in versions 109.0+build2-0ubuntu0.18.04.1, 109.0+build2-0ubuntu0.20.04.1, 109.0.1+build1-0ubuntu0.18.04.2, 109.0.1+build1-0ubuntu0.20.04.2

External References

Related Security Bulletins