Input validation error in Google Chrome - CVE-2021-21187

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Main Vulnerability Database Vulnerabilities #VU51147

Input validation error in Google Chrome - CVE-2021-21187

Published: March 2, 2021


Vulnerability identifier: #VU51147
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21187
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input in URL formatting in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


Affected software

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

How to mitigate CVE-2021-21187

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