Information disclosure in Google Chromium - CVE-2021-37976

Vulnerability identifier: #VU56974

CSH Severity: High

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-37976

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

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

The vulnerability exists due to excessive data output in core in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and gain access to sensitive information.

Note, the vulnerability is being actively exploited in the wild.

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

Update to version 94.0.4606.71.

Google Chromium - update to 94.0.4606.71
Google Chrome - update to 94.0.4606.71
Microsoft Edge - update to 94.0.992.38
chromium - addressed in versions 94.0.4606.81-1.el8, 94.0.4606.81-1.fc33, 94.0.4606.81-1.fc34, 94.0.4606.81-1.fc35
chromium (Debian package) - update to 97.0.4692.71-0.1~deb11u1

• https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_30.html
• https://crbug.com/1251787
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37976

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Gentoo update for Chromium, Google Chrome
• Fedora 35 update for chromium
• Fedora 34 update for chromium
• Fedora EPEL 8 update for chromium
• Fedora 33 update for chromium