CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2021-30554: Google Chromium WebGL Use-After-Free Vulnerability

criticalknown exploitedCVE-2021-30554
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Googleproduct: Chromium WebGLRemote code execution
What
This vulnerability is a use-after-free that allows potential heap corruption via a crafted HTML page.
Who is affected
Users of web browsers utilizing Chromium WebGL, including Google Chrome and Microsoft Edge.
Urgency
Immediate remediation is necessary as the vulnerability is actively exploited and critical in severity.
Action
Update to the latest version of affected browsers.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Chromium WebGL

Get an email when a new Chromium WebGL advisory drops — max one per day, one-click unsubscribe.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-30554

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-30554coverage & exploitation statusNVD · CVE.org

More from CISA Known Exploited Vulnerabilities