Out-of-bounds read in Google Chromium - CVE-2021-30593

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Main Vulnerability Database Vulnerabilities #VU55493

Out-of-bounds read in Google Chromium - CVE-2021-30593

Published: August 2, 2021 / Updated: August 5, 2021


Vulnerability identifier: #VU55493
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30593
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary condition within the Tab Strip component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.


Affected software

Google Chromium
Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
chromium

How to mitigate CVE-2021-30593

Update to version 92.0.4515.131.

Google Chromium - update to 92.0.4515.131
Google Chrome - update to 92.0.4515.131
Microsoft Edge - update to 92.0.902.67
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