Reachable Assertion in Mozilla Firefox - CVE-2022-31745
Published: May 31, 2022
Vulnerability identifier: #VU63882
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2022-31745
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect assertion when array shift operations are not used. The Garbage Collector can become confused about valid objects. This can lead to application crash.
Affected software
Mozilla Firefox
Gentoo Linux
Ubuntu
firefox (Ubuntu package)
Gentoo Linux
Ubuntu
firefox (Ubuntu package)
How to mitigate CVE-2022-31745
Install updates from vendor's website.
Mozilla Firefox - update to 101.0
firefox (Ubuntu package) - addressed in versions 101.0.1+build1-0ubuntu0.18.04.1, 101.0.1+build1-0ubuntu0.20.04.1, 101.0.1+build1-0ubuntu0.21.10.1
firefox (Ubuntu package) - addressed in versions 101.0.1+build1-0ubuntu0.18.04.1, 101.0.1+build1-0ubuntu0.20.04.1, 101.0.1+build1-0ubuntu0.21.10.1