google chrome CVE-2021-30554 in Google and Fedora Project Products
Published on July 2, 2021

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Use after free in WebGL in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This Google Chrome WebGL Use-After-Free Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Use after free in WebGL in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2021-30554 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2021-30554 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2021-30554

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What versions are vulnerable to CVE-2021-30554?