Out-of-bounds write in Google Chromium - CVE-2021-30565

 

Out-of-bounds write in Google Chromium - CVE-2021-30565

Published: July 20, 2021 / Updated: July 21, 2021


Vulnerability identifier: #VU55104
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-2021-30565
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 Tab Groups. 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
Arch Linux
Gentoo Linux
Fedora
chromium

How to mitigate CVE-2021-30565

Update to version 92.0.4515.107.

Google Chromium - update to 92.0.4515.107
Google Chrome - update to 92.0.4515.107
Microsoft Edge - update to 92.0.902.55
chromium - addressed in versions 93.0.4577.63-1.el8, 93.0.4577.63-1.fc33, 93.0.4577.63-1.fc34, 93.0.4577.63-1.fc35

External References

Related Security Bulletins