Out-of-bounds write in Google Chromium - CVE-2021-30559

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Main Vulnerability Database Vulnerabilities #VU54901

Out-of-bounds write in Google Chromium - CVE-2021-30559

Published: July 15, 2021


Vulnerability identifier: #VU54901
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-2021-30559
CWE-ID: CWE-787
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 out-of-bounds write and execute arbitrary code on the target system.


Affected software

Google Chromium
Google Chrome
Microsoft Edge
Gentoo Linux
Arch Linux
Fedora
qt5-qtwebengine
chromium

How to mitigate CVE-2021-30559

Update to version 91.0.4472.164.

Google Chromium - update to 91.0.4472.164
Google Chrome - update to 91.0.4472.164
Microsoft Edge - update to 91.0.864.71
qt5-qtwebengine - update to 5.15.8-2.fc34
chromium - addressed in versions 91.0.4472.164-1.el8, 91.0.4472.164-1.fc33, 91.0.4472.164-1.fc34

External References

Related Security Bulletins