CVE-2021-30554 in Google and Fedora Project Products
Published on July 2, 2021
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.
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
You can be notified by stack.watch whenever vulnerabilities like CVE-2021-30554 are published in these products:
What versions are vulnerable to CVE-2021-30554?
- Google Chrome Fixed in Version 91.0.4472.114
- Fedora Project Fedora Version 33
- Fedora Project Fedora Version 34