CVE-2021-21143

HIGH 8.8CVE-2021-21143 · Published 09/02/2021 · updated 17/06/2026

In short

CVE-2021-21143 is a HIGH (CVSS 8.8) vulnerability affecting chrome (google).
Chance of exploitation in the next 30 days (EPSS): 0.83%, higher than 57.8% of all vulnerabilities.
Fix: update to 88.0.4324.146 or later.

Package	Affected versions	Patched versions
chrome google	`< 88.0.4324.146`	`88.0.4324.146`

Description

Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

References

chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html · Release Notes
crbug.com/1163504 · Permissions Required
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P
security.gentoo.org/glsa/202104-08 · Third Party Advisory

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Package

Affected versions

Patched versions

chrome

google

< 88.0.4324.146

88.0.4324.146

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