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CVE-2021-30551

Known Exploited (CISA KEV)HIGH
8.8
CVSS Severity Score
EPSS Score26.2380%
EPSS Percentile95.20th
PublishedJun 15, 2021
Last ModifiedOct 24, 2025

Vulnerability Description

Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Platforms (CPE)

📦
Google

Chrome

< 91.0.4472.101
💻
Fedoraproject

Fedora

= 33
💻
Fedoraproject

Fedora

= 34

References & Advisories

🔗 https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html
🔗 https://crbug.com/1216437
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
🔗 https://security.gentoo.org/glsa/202107-06
🔗 https://security.gentoo.org/glsa/202208-25
🔗 https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html
🔗 https://crbug.com/1216437

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