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CVE-2021-21220

Known Exploited (CISA KEV)HIGH
8.8
CVSS Severity Score
EPSS Score62.8670%
EPSS Percentile86.69th
Published2021年4月26日
Last Modified2025年10月24日

Vulnerability Description

Insufficient validation of untrusted input in V8 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

🔗 http://packetstormsecurity.com/files/162437/Google-Chrome-XOR-Typer-Out-Of-Bounds-Access-Remote-Code-Execution.html
🔗 http://packetstormsecurity.com/files/176210/Chrome-V8-JIT-XOR-Arbitrary-Code-Execution.html
🔗 https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html
🔗 https://crbug.com/1196683
🔗 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

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