Use-after-free in Google Chrome - CVE-2021-21188

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Main Vulnerability Database Vulnerabilities #VU51148

Use-after-free in Google Chrome - CVE-2021-21188

Published: March 2, 2021


Vulnerability identifier: #VU51148
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-2021-21188
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 Blink 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
Microsoft Edge
Gentoo Linux
Arch Linux
Fedora
chromium (Debian package)
chromium

How to mitigate CVE-2021-21188

Update to version 89.0.4389.72.

Google Chrome - update to 89.0.4389.72
chromium (Debian package) - update to 89.0.4389.114-1~deb10u1
Microsoft Edge - update to 89.0.774.45
chromium - addressed in versions 89.0.4389.82-1.el7, 89.0.4389.82-1.el8, 89.0.4389.82-1.fc32, 89.0.4389.82-1.fc33, 89.0.4389.82-1.fc34, 89.0.4389.90-3.fc33, 89.0.4389.90-3.fc34

External References

Related Security Bulletins