AUGUST 4, 2026
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Case File

CVE-2021-30509

HIGH · CVSS 8.8 EPSS 0.84%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-04 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-30509
Severity
HIGH
CVSS
8.8
EPSS
0.84%
Chrome

Original NVD Description

Out of bounds write in Tab Strip in Google Chrome prior to 90.0.4430.212 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory write via a crafted HTML page and a crafted Chrome extension.