Use-after-free in Google Chromium - CVE-2023-6707

Vulnerability identifier: #VU84367

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-2023-6707

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within CSS in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.

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

Install update from vendor's website.

Google Chromium - update to 120.0.6099.109
Microsoft Edge - update to 120.0.2210.77
Google Chrome - update to 120.0.6099.109
dev-qt/qtwebengine - update to 103.0.5060.53
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
chromium - addressed in versions 120.0.6099.109-1.el7, 120.0.6099.109-1.el8, 120.0.6099.109-1.el9, 120.0.6099.109-1.fc38, 120.0.6099.109-1.fc39, 120.0.6099.129-1.el9
chromium (Debian package) - addressed in versions 120.0.6099.109-1~deb11u1, 120.0.6099.109-1~deb12u1

• https://chromereleases.googleblog.com/2023/12/stable-channel-update-for-desktop_12.html
• https://crbug.com/1504036

• Multiple vulnerabilities in Google Chrome
• Fedora 39 update for chromium
• Debian update for chromium
• Fedora EPEL 8 update for chromium
• Fedora EPEL 7 update for chromium
• Fedora 38 update for chromium
• Fedora EPEL 9 update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora EPEL 9 update for chromium
• Gentoo update for Chromium, Google Chrome, Microsoft Edge
• Gentoo update for QtWebEngine