Live › vulnerability › CVE-2021-30554
Go to dashboardA use-after-free bug in the WebGL implementation of Chromium lets a remote attacker corrupt heap memory with a crafted HTML page. Exploitation can lead to code execution inside the browser, and the flaw is listed as exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Google Chromium WebGL | vendor | – | – |
Open chrome://version (or edge://version, opera://about) and compare the version to the fixed release in the vendor advisory.
Update Google Chrome, Microsoft Edge, Opera and other Chromium-based browsers to the patched release named in the vendor advisory.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Google Chromium WebGL contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2021-30554")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.