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CVE-2021-21193

Known Exploited (CISA KEV)HIGH
8.8
CVSS Severity Score
EPSS Score68.5200%
EPSS Percentile85.34th
PublishedMar 16, 2021
Last ModifiedOct 24, 2025

Vulnerability Description

Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Platforms (CPE)

📦
Google

Chrome

< 89.0.4389.90
💻
Fedoraproject

Fedora

= 32
💻
Debian

Debian Linux

= 10.0

References & Advisories

🔗 https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html
🔗 https://crbug.com/1186287
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/
🔗 https://security.gentoo.org/glsa/202104-08
🔗 https://www.debian.org/security/2021/dsa-4886
🔗 https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html
🔗 https://crbug.com/1186287
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/

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