Buffer overflow in Mozilla Firefox - CVE-2022-36320

 

Buffer overflow in Mozilla Firefox - CVE-2022-36320

Published: July 26, 2022


Vulnerability identifier: #VU65800
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-2022-36320
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)

How to mitigate CVE-2022-36320

Install updates from vendor's website.

Mozilla Firefox - update to 103.0
firefox (Ubuntu package) - addressed in versions 103.0+build1-0ubuntu0.18.04.1, 103.0+build1-0ubuntu0.20.04.1

External References

Related Security Bulletins