Buffer overflow in Firefox for Android and Mozilla Firefox - CVE-2024-4778

Vulnerability identifier: #VU89559

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-2024-4778

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.

Firefox for Android
Mozilla Firefox
Gentoo Linux
Ubuntu
openEuler
Fedora
www-client/firefox
firefox (Ubuntu package)
firefox
firefox-debuginfo
firefox-debugsource

Install updates from vendor's website.

Firefox for Android - update to 126.0
Mozilla Firefox - update to 126.0
www-client/firefox - update to 104
firefox (Ubuntu package) - addressed in versions 126.0+build2-0ubuntu0.20.04.1, 126.0.1+build1-0ubuntu0.20.04.1
firefox - addressed in versions 126.0-5.fc38, 126.0-5.fc39, 126.0-5.fc40
firefox - update to 128.8.0-1
firefox-debuginfo - update to 128.8.0-1
firefox-debugsource - update to 128.8.0-1

• https://www.mozilla.org/en-US/security/advisories/mfsa2024-21/

• Multiple vulnerabilities in Mozilla Firefox
• Fedora 40 update for firefox
• Fedora 39 update for firefox
• Fedora 38 update for firefox
• Ubuntu update for firefox
• Ubuntu update for firefox
• Gentoo update for Mozilla Firefox
• openEuler 22.03 LTS SP4 update for firefox
• openEuler 22.03 LTS SP3 update for firefox