CVE-2021-21161

HIGH 8.8CVE-2021-21161 · Published 09/03/2021 · updated 17/06/2026

In short

CVE-2021-21161 is a HIGH (CVSS 8.8) vulnerability affecting chrome (google).
Chance of exploitation in the next 30 days (EPSS): 1.5%, higher than 75.0% of all vulnerabilities.
Fix: update to 89.0.4389.72 or later.

Package	Affected versions	Patched versions
chrome google	`< 89.0.4389.72`	`89.0.4389.72`

Description

Heap buffer overflow in TabStrip in Google Chrome prior to 89.0.4389.72 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.html · Release Notes
crbug.com/1173702 · Exploit
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT
security.gentoo.org/glsa/202104-08 · Third Party Advisory
debian.org/security/2021/dsa-4886 · Third Party Advisory

More vulnerabilities in chrome

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free