Use-after-free in Google Chromium - CVE-2021-37983

 

Use-after-free in Google Chromium - CVE-2021-37983

Published: October 19, 2021 / Updated: October 21, 2021


Vulnerability identifier: #VU57446
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-2021-37983
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Dev Tools component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Google Chromium
Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
chromium
chromium (Debian package)

How to mitigate CVE-2021-37983

Update to version 95.0.4638.54.

Google Chromium - update to 95.0.4638.54
Google Chrome - update to 95.0.4638.54
Microsoft Edge - update to 95.0.1020.30
chromium - update to 95.0.4638.54-1
chromium (Debian package) - update to 97.0.4692.71-0.1~deb11u1
chromium - addressed in versions 99.0.4844.51-1.el7, 99.0.4844.51-1.el8

External References

Related Security Bulletins