Use-after-free in Google Chromium - CVE-2021-30586
Published: July 20, 2021 / Updated: July 21, 2021
Vulnerability identifier: #VU55124
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-2021-30586
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 dialog box handling on Windows 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-2021-30586
Update to version 92.0.4515.107.
Google Chromium - update to 92.0.4515.107
Google Chrome - update to 92.0.4515.107
Microsoft Edge - update to 92.0.902.55
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 92.0.4515.107
Microsoft Edge - update to 92.0.902.55
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