Use-after-free in Google Chrome - CVE-2021-21138

 

Use-after-free in Google Chrome - CVE-2021-21138

Published: January 19, 2021 / Updated: January 19, 2021


Vulnerability identifier: #VU49716
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21138
CWE-ID: CWE-416
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 use-after-free error in DevTools in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.


Affected software

Google Chrome
Arch Linux
Gentoo Linux
Fedora
chromium (Debian package)
chromium

How to mitigate CVE-2021-21138

Update to version 88.0.4324.96.

Google Chrome - update to 88.0.4324.96
chromium (Debian package) - update to 88.0.4324.146-1~deb10u1
chromium - addressed in versions 88.0.4324.96-1.el7, 88.0.4324.96-1.el8, 88.0.4324.96-1.fc32, 88.0.4324.96-1.fc33, 88.0.4324.150-1.el7, 88.0.4324.150-1.el8

External References

Related Security Bulletins