CVE-2021-21206

HIGH KEV

Google Chrome <89.0.4389.128 - Use After Free

Title source: llm

Description

Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

References (7)

[Release Notes] https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html

[Permissions Required, Third Party Advisory] https://crbug.com/1196781

[Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/

[Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/

[Release Notes] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/

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

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21206

Scores

CVSS v3 8.8

EPSS 0.2191

EPSS Percentile 95.8%

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 2021-04-07

InTheWild.io 2021-04-07

ENISA EUVD EUVD-2021-8597

CWE

CWE-416

Status published

Products (4)

fedoraproject/fedora 32

fedoraproject/fedora 33

fedoraproject/fedora 34

google/chrome < 89.0.4389.128

Published Apr 26, 2021

KEV Added Nov 03, 2021

Tracked Since Feb 18, 2026