Out-of-bounds read in Google Chromium - CVE-2023-4431

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Main Vulnerability Database Vulnerabilities #VU79876

Out-of-bounds read in Google Chromium - CVE-2023-4431

Published: August 23, 2023 / Updated: August 23, 2023


Vulnerability identifier: #VU79876
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-4431
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 crash the browser.

The vulnerability exists due to a boundary condition within the Fonts 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 crash the browser.


Affected software

Google Chromium
Microsoft Edge
Google Chrome
Gentoo Linux
Debian Linux
Fedora
chromium (Debian package)
chromium
www-client/microsoft-edge
www-client/chromium
www-client/google-chrome

How to mitigate CVE-2023-4431

Update to version 116.0.5845.110.

Google Chromium - update to 116.0.5845.110
Microsoft Edge - update to 116.0.1938.62
Google Chrome - update to 116.0.5845.110
chromium (Debian package) - addressed in versions 116.0.5845.110-1~deb11u1, 116.0.5845.110-1~deb12u1
chromium - addressed in versions 116.0.5845.179-1.el7, 116.0.5845.179-1.el8, 116.0.5845.179-1.el9, 116.0.5845.179-1.fc37, 116.0.5845.179-1.fc38, 116.0.5845.179-1.fc39, 116.0.5845.187-1.el7, 116.0.5845.187-1.el8, 116.0.5845.187-1.el9, 116.0.5845.187-1.fc37, 116.0.5845.187-1.fc38, 117.0.5938.62-1.el7, 117.0.5938.62-1.el8, 117.0.5938.62-1.el9, 117.0.5938.62-1.fc37, 117.0.5938.62-1.fc38, 117.0.5938.88-1.el7, 117.0.5938.88-1.el8, 117.0.5938.88-1.el9, 117.0.5938.88-1.fc37, 117.0.5938.92-2.el7, 117.0.5938.92-2.el8, 117.0.5938.92-2.el9, 117.0.5938.132-1.el7, 117.0.5938.132-1.el8, 117.0.5938.132-1.el9
www-client/microsoft-edge - update to 120.0.2210.133
www-client/chromium - update to 120.0.6099.109
www-client/google-chrome - update to 120.0.6099.109

External References

Related Security Bulletins