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CVE-2021-21148

Known Exploited (CISA KEV)HIGH
8.8
CVSS Severity Score
EPSS Score95.8290%
EPSS Percentile87.62th
PublishedFeb 9, 2021
Last ModifiedOct 24, 2025

Vulnerability Description

Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Platforms (CPE)

📦
Google

Chrome

< 88.0.4324.150
💻
Fedoraproject

Fedora

= 32
💻
Fedoraproject

Fedora

= 33
💻
Debian

Debian Linux

= 10.0

References & Advisories

🔗 http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html
🔗 https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html
🔗 https://crbug.com/1170176
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/
🔗 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/
🔗 https://security.gentoo.org/glsa/202104-08
🔗 https://www.debian.org/security/2021/dsa-4858
🔗 http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html

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