Use-after-free in Google Chrome - CVE-2021-30553

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Main Vulnerability Database Vulnerabilities #VU54008

Use-after-free in Google Chrome - CVE-2021-30553

Published: June 9, 2021 / Updated: June 10, 2021


Vulnerability identifier: #VU54008
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-2021-30553
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 Network service 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 Chrome
Microsoft Edge
Gentoo Linux
Arch Linux
Fedora
qt5-qtwebengine
chromium

How to mitigate CVE-2021-30553

Update to version 91.0.4472.101.

Google Chrome - update to 91.0.4472.101
Microsoft Edge - update to 91.0.864.48
qt5-qtwebengine - update to 5.15.8-2.fc34
chromium - addressed in versions 91.0.4472.114-1.el8, 91.0.4472.114-1.fc33, 91.0.4472.114-1.fc34, 91.0.4472.114-2.el8, 91.0.4472.114-2.fc33, 91.0.4472.164-1.el8

External References

Related Security Bulletins