Heap-based buffer overflow in Google Chromium - CVE-2021-4058

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Main Vulnerability Database Vulnerabilities #VU58540

Heap-based buffer overflow in Google Chromium - CVE-2021-4058

Published: December 6, 2021 / Updated: December 10, 2021


Vulnerability identifier: #VU58540
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-2021-4058
CWE-ID: CWE-122
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 boundary error when processing untrusted HTML content in ANGLE. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.


Affected software

Google Chromium
Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
qt5-qtwebengine
chromium
chromium (Debian package)
www-client/google-chrome
dev-qt/qtwebengine
www-client/chromium

How to mitigate CVE-2021-4058

Update to version 96.0.4664.93.

Google Chromium - update to 96.0.4664.93
Google Chrome - update to 96.0.4664.93
Microsoft Edge - update to 96.0.1054.53
qt5-qtwebengine - addressed in versions 5.15.8-2.fc34, 5.15.8-2.fc35
chromium - addressed in versions 96.0.4664.110-2.el8, 96.0.4664.110-2.fc34, 96.0.4664.110-2.fc35, 96.0.4664.110-3.fc34, 96.0.4664.110-3.fc35
chromium (Debian package) - update to 97.0.4692.71-0.1~deb11u1
www-client/google-chrome - update to 101.0.1210.47
dev-qt/qtwebengine - update to 103.0.5060.53
www-client/chromium - update to 103.0.5060.53

External References

Related Security Bulletins