Buffer overflow in Mozilla Firefox - CVE-2022-0843
Published: March 8, 2022
Vulnerability identifier: #VU61108
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-2022-0843
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Mozilla Firefox
Gentoo Linux
Ubuntu
firefox (Ubuntu package)
Gentoo Linux
Ubuntu
firefox (Ubuntu package)
How to mitigate CVE-2022-0843
Install updates from vendor's website.
Mozilla Firefox - update to 98.0
firefox (Ubuntu package) - addressed in versions 98.0+build3-0ubuntu0.18.04.2, 98.0+build3-0ubuntu0.20.04.2, 98.0+build3-0ubuntu0.21.10.2, 98.0.1+build2-0ubuntu0.18.04.1, 98.0.1+build2-0ubuntu0.20.04.1, 98.0.1+build2-0ubuntu0.21.10.1, 98.0.2+build1-0ubuntu0.18.04.1, 98.0.2+build1-0ubuntu0.20.04.1, 98.0.2+build1-0ubuntu0.21.10.1
firefox (Ubuntu package) - addressed in versions 98.0+build3-0ubuntu0.18.04.2, 98.0+build3-0ubuntu0.20.04.2, 98.0+build3-0ubuntu0.21.10.2, 98.0.1+build2-0ubuntu0.18.04.1, 98.0.1+build2-0ubuntu0.20.04.1, 98.0.1+build2-0ubuntu0.21.10.1, 98.0.2+build1-0ubuntu0.18.04.1, 98.0.2+build1-0ubuntu0.20.04.1, 98.0.2+build1-0ubuntu0.21.10.1