Vulnerability Database

310,057

Total vulnerabilities in the database

CVE-2021-30509

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.

  • Published: Jun 4, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-30509
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
google / chrome - 90.0.4430.212
fedoraproject / fedora 33 33.x
fedoraproject / fedora 34 34.x