Buffer overflow in Mozilla Firefox and Firefox for Android - CVE-2024-8389

Vulnerability identifier: #VU96739

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-2024-8389

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
Gentoo Linux
Ubuntu
www-client/firefox
dev-lang/spidermonkey
mail-client/thunderbird
mail-client/thunderbird-bin
firefox (Ubuntu package)

Install updates from vendor's website.

Mozilla Firefox - update to 130.0
Firefox for Android - update to 130.0
www-client/firefox - update to 104
dev-lang/spidermonkey - update to 115.15.0
mail-client/thunderbird - update to 128.4.0
mail-client/thunderbird-bin - update to 128.4.0
firefox (Ubuntu package) - addressed in versions 130.0+build2-0ubuntu0.20.04.1, 130.0.1+build1-0ubuntu0.20.04.1

• https://www.mozilla.org/en-US/security/advisories/mfsa2024-39/

• Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
• Ubuntu update for firefox
• Ubuntu update for firefox
• Gentoo update for Mozilla Thunderbird
• Gentoo update for Mozilla Firefox
• Gentoo update for Spidermonkey