Out-of-bounds read in Google Chrome - CVE-2021-30530

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Main Vulnerability Database Vulnerabilities #VU53553

Out-of-bounds read in Google Chrome - CVE-2021-30530

Published: May 25, 2021 / Updated: May 25, 2021


Vulnerability identifier: #VU53553
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30530
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 crash the browser.

The vulnerability exists due to a boundary condition within the WebAudio component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and crash the browser.


Affected software

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

How to mitigate CVE-2021-30530

Update to version 91.0.4472.77.

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