Race condition in Google Chromium - CVE-2021-37991

Vulnerability identifier: #VU57462

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-2021-37991

CWE-ID: CWE-362

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a race condition in V8 in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and bypass implemented security restrictions.

Google Chromium
Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
vivaldi
chromium
chromium (Debian package)

Update to version 95.0.4638.54.

Google Chromium - update to 95.0.4638.54
Google Chrome - update to 95.0.4638.54
Microsoft Edge - update to 95.0.1020.30
vivaldi - update to 5.0.2497.24-1
chromium - update to 95.0.4638.54-1
chromium (Debian package) - update to 97.0.4692.71-0.1~deb11u1
chromium - addressed in versions 99.0.4844.51-1.el7, 99.0.4844.51-1.el8

• https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.html
• https://crbug.com/1250660
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37991

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Arch Linux update for opera
• Debian update for chromium
• Gentoo update for Chromium, Google Chrome
• Arch Linux update for chromium
• Arch Linux update for vivaldi
• Fedora EPEL 8 update for chromium
• Fedora EPEL 7 update for chromium