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CVE-2021-21220
HIGH - CVSS 8.8CWE-787
Published: 4/26/2021
Modified: 10/24/2025
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.
Vulnerability Summary
CVSS v3 Score
8.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2 Score
6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P