Buffer overflow in Google Chromium - CVE-2023-2934

Vulnerability identifier: #VU76678

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-2023-2934

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary error in Mojo in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.

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

Update to version 114.0.5735.90.

Google Chromium - update to 114.0.5735.90
Microsoft Edge - update to 114.0.1823.37
Google Chrome - update to 114.0.5735.90
dev-qt/qtwebengine - update to 103.0.5060.53
chromium (Debian package) - addressed in versions 114.0.5735.90-2~deb11u1, 114.0.5735.90-2~deb12u1
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

• https://chromereleases.googleblog.com/2023/05/stable-channel-update-for-desktop_30.html
• https://crbug.com/1429720

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Gentoo update for QtWebEngine
• Gentoo update for Chromium, Google Chrome, Microsoft Edge