CVE-2021-30554
Google Chrome
Published 2 Jul 2021 · updated 17 Jun 2026 · Analyzed
8.8 High · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 17 Nov 2021 for US federal agencies.
Required action: Apply updates per vendor instructions.
Description
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.
References
- chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop_17.html · Release Notes
- crbug.com/1219857 · Permissions Required
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/ · Release Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/ · Release Notes
- security.gentoo.org/glsa/202107-06 · Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30554 · US Government Resource