Use-after-free in Google Chromium - CVE-2021-30612
Published: August 31, 2021
Vulnerability identifier: #VU56204
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-2021-30612
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within WebRTC 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.
Affected software
Google Chromium
Google Chrome
Microsoft Edge
Gentoo Linux
Fedora
chromium
Google Chrome
Microsoft Edge
Gentoo Linux
Fedora
chromium
How to mitigate CVE-2021-30612
Update to version 93.0.4577.63.
Google Chromium - update to 93.0.4577.63
Google Chrome - update to 93.0.4577.63
Microsoft Edge - update to 93.0.961.38
chromium - addressed in versions 93.0.4577.63-1.el8, 93.0.4577.63-1.fc33, 93.0.4577.63-1.fc34, 93.0.4577.63-1.fc35
Google Chrome - update to 93.0.4577.63
Microsoft Edge - update to 93.0.961.38
chromium - addressed in versions 93.0.4577.63-1.el8, 93.0.4577.63-1.fc33, 93.0.4577.63-1.fc34, 93.0.4577.63-1.fc35