CVE-2021-21224
HighActively exploited (CISA KEV)
Description
Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Google Chromium V8
PublishedApr 26, 2021
First seenApr 26, 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, 2021Update
- google chrome90.0.4430.85 or later
Vendor advisories
- debian.org/security/2021/dsa-4906
- security.gentoo.org/glsa/202104-08
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| google chrome | v < 90.0.4430.85 | 90.0.4430.85 |
| debian debian_linux | 10.0 | — |
| fedoraproject fedora | 32, 33, 34 | — |
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