Buffer overflow in Mozilla products - CVE-2023-29544

Vulnerability identifier: #VU74834

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-2023-29544

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

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 create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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

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

Install updates from vendor's website.

Mozilla Firefox - update to 112.0
Firefox for Android - update to 112.0
Firefox Focus for Android - update to 112.0
www-client/firefox - update to 104
firefox (Ubuntu package) - addressed in versions 112.0+build2-0ubuntu0.18.04.1, 112.0+build2-0ubuntu0.20.04.1, 112.0.1+build1-0ubuntu0.18.04.1, 112.0.1+build1-0ubuntu0.20.04.1, 112.0.2+build1-0ubuntu0.18.04.1, 112.0.2+build1-0ubuntu0.20.04.1

• https://www.mozilla.org/en-US/security/advisories/mfsa2023-13/

• Multiple vulnerabilities in Mozilla Firefox
• Ubuntu update for firefox
• Ubuntu update for firefox
• Ubuntu update for firefox
• Gentoo update for Mozilla Firefox