CVE-2021-30563

HighActively exploited (CISA KEV)

Description

Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

SeverityHigh
CVSS8.8
Exploit probability—
ProductGoogle Chromium V8
PublishedAug 3, 2021
First seenAug 3, 2021
Added to KEVNov 3, 2021
Weakness typeCWE-843CWE-843

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: Nov 17, 2021
Update
  • google chrome91.0.4472.164 or later

Affected products

ProductAffected versionsFixed in
google chromev < 91.0.4472.16491.0.4472.164

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CVE-2021-30563 · Google Chromium V8 · Dark Radar