CVE-2021-21230

moderate-risk
Published 2021-04-30

Type confusion in V8 in Google Chrome prior to 90.0.4430.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Do I need to act?

~
3.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Debian Google Fedoraproject

References (14)

Release Notes https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_...
Broken Link https://crbug.com/1198705
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.gentoo.org/glsa/202104-08
Third Party Advisory https://www.debian.org/security/2021/dsa-4911
Release Notes https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_...
Broken Link https://crbug.com/1198705
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://security.gentoo.org/glsa/202104-08
Third Party Advisory https://www.debian.org/security/2021/dsa-4911
49
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 7/34 · Low
Exposure 12/34 · Low