Use-after-free in Google Chromium - CVE-2021-30543
Published: May 25, 2021 / Updated: August 16, 2023
Vulnerability identifier: #VU79604
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-2021-30543
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 Tab Strip 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
Arch Linux
Fedora
chromium
Google Chrome
Arch Linux
Fedora
chromium
How to mitigate CVE-2021-30543
Update to version 91.0.4472.77.
Google Chromium - update to 91.0.4472.77
Google Chrome - update to 91.0.4472.77
chromium - addressed in versions 94.0.4606.61-1.el8, 94.0.4606.61-1.fc33, 94.0.4606.61-1.fc34, 94.0.4606.61-1.fc35
Google Chrome - update to 91.0.4472.77
chromium - addressed in versions 94.0.4606.61-1.el8, 94.0.4606.61-1.fc33, 94.0.4606.61-1.fc34, 94.0.4606.61-1.fc35