Exploitation Summary
CVE-2021-30554 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021.
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 (6)
Core 6
Core References
Permissions Required x_refsource_misc
https://crbug.com/1219857
Release Notes x_refsource_misc
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop_17.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202107-06
Release Notes vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
Release Notes vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30554
Scores
CVSS v3
8.8
EPSS
0.0582
EPSS Percentile
90.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2021-11-03
VulnCheck KEV
2021-06-15
InTheWild.io
2021-06-15
ENISA EUVD
EUVD-2021-17475
CWE
CWE-416
Status
published
Products (3)
fedoraproject/fedora
33
fedoraproject/fedora
34
google/chrome
< 91.0.4472.114
Published
Jul 02, 2021
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026