Name: CVE-2021-21166: Concurrent Execution using Shared Resource with Improper Synchronization
Published: 2021-03-09T00:00:00.000Z
Keywords: CVE, CVE-2021-21166, CWE-362, CWE-122, Exploited in the Wild, CISA KEV Exploit, CVSS 8.8, EPSS 0.23847, CISA KEV

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.

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	View advisory ↗View advisory ↗	alpine-linux-upgrade-chromiumalpine-linux-upgrade-qt5-qtwebengine	Aug 22, 2024	Mar 9, 2021
Arch Linux	View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗	arch-linux-upgrade-latest	Jul 11, 2025	Mar 9, 2021
Debian	View advisory ↗	debian-upgrade-chromium	Apr 8, 2021	Mar 9, 2021
Freebsd	View advisory ↗	freebsd-upgrade-package-chromium	Mar 5, 2021	Mar 4, 2021
Gentoo Linux	View advisory ↗	gentoo-linux-upgrade-www-client-chromiumgentoo-linux-upgrade-www-client-google-chrome	May 3, 2021	Mar 9, 2021
Google Chrome	View advisory ↗	google-chrome-upgrade-latest	Mar 5, 2021	Mar 5, 2021
Microsoft Edge	View advisory ↗View advisory ↗	microsoft-edge-upgrade-latest	Nov 17, 2021	Mar 9, 2021
Suse	—	suse-upgrade-chromedriversuse-upgrade-chromium	Mar 9, 2021	Mar 2, 2021
Ubuntu	View advisory ↗View advisory ↗View advisory ↗	ubuntu-upgrade-chromium-browser	Nov 19, 2024	Mar 9, 2021

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