CVE-2021-21197

HIGH 8.8CVE-2021-21197 · Published 09/04/2021 · updated 17/06/2026

In short

CVE-2021-21197 is a HIGH (CVSS 8.8) vulnerability affecting chrome (google).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 71.9% of all vulnerabilities.
Fix: update to 89.0.4389.114 or later.

Package	Affected versions	Patched versions
chrome google	`< 89.0.4389.114`	`89.0.4389.114`

Description

Heap buffer overflow in TabStrip in Google Chrome prior to 89.0.4389.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

References

chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_30.html · Release Notes
crbug.com/1173903 · Permissions Required
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A
security.gentoo.org/glsa/202104-08 · Third Party Advisory

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Package

Affected versions

Patched versions

chrome

google

< 89.0.4389.114

89.0.4389.114

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