Out-of-bounds read in Google Chrome - CVE-2021-30536

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Main Vulnerability Database Vulnerabilities #VU53574

Out-of-bounds read in Google Chrome - CVE-2021-30536

Published: May 25, 2021


Vulnerability identifier: #VU53574
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30536
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary condition in V8 engine in Google Chrome. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


Affected software

Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
qt5-qtwebengine
chromium

How to mitigate CVE-2021-30536

Install updates from vendor's website.

Google Chrome - update to 91.0.4472.77
Microsoft Edge - update to 91.0.864.37
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