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CVE-2021-21206

Known Exploited (CISA KEV)HIGH
8.8
CVSS Severity Score
EPSS Score72.9720%
EPSS Percentile98.97th
PublishedApr 26, 2021
Last ModifiedOct 24, 2025

Vulnerability Description

Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Platforms (CPE)

📦
Google

Chrome

< 89.0.4389.128
💻
Fedoraproject

Fedora

= 32
💻
Fedoraproject

Fedora

= 33
💻
Fedoraproject

Fedora

= 34

References & Advisories

🔗 https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html
🔗 https://crbug.com/1196781
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
🔗 https://security.gentoo.org/glsa/202104-08
🔗 https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html
🔗 https://crbug.com/1196781

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