Use-after-free in Mozilla Firefox - CVE-2024-7530
Published: August 7, 2024
Vulnerability identifier: #VU95499
CSH Severity: Low
CVSS v4 BT: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2024-7530
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to crash the browser
The vulnerability exists due to a use-after-free error in JavaScript code coverage collection. A remote attacker can trick the victim into visiting a specially crafted
website, trigger a use-after-free error and crash the browser.
Affected software
Mozilla Firefox
Gentoo Linux
Ubuntu
www-client/firefox
firefox (Ubuntu package)
Gentoo Linux
Ubuntu
www-client/firefox
firefox (Ubuntu package)
How to mitigate CVE-2024-7530
Install updates from vendor's website.
Mozilla Firefox - update to 129.0
www-client/firefox - update to 104
firefox (Ubuntu package) - addressed in versions 129.0.1+build1-0ubuntu0.20.04.1, 129.0.2+build1-0ubuntu0.20.04.1
www-client/firefox - update to 104
firefox (Ubuntu package) - addressed in versions 129.0.1+build1-0ubuntu0.20.04.1, 129.0.2+build1-0ubuntu0.20.04.1