CVE-2021-21166

HIGH KEV

Google Chrome <89.0.4389.72 - Heap Corruption

Title source: llm

Description

Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

References (8)

[Release Notes] https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html

[Permissions Required] https://crbug.com/1177465

[Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/

[Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/

[Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/

[Third Party Advisory] https://security.gentoo.org/glsa/202104-08

[Mailing List, Third Party Advisory] https://www.debian.org/security/2021/dsa-4886

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21166

Scores

CVSS v3 8.8

EPSS 0.3626

EPSS Percentile 97.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CISA KEV 2021-11-03

VulnCheck KEV 2021-02-11

InTheWild.io 2021-02-11

ENISA EUVD EUVD-2021-8557

CWE

CWE-362

Status published

Products (5)

debian/debian_linux 10.0

fedoraproject/fedora 32

fedoraproject/fedora 33

fedoraproject/fedora 34

google/chrome < 89.0.4389.72

Published Mar 09, 2021

KEV Added Nov 03, 2021

Tracked Since Feb 18, 2026