Vulnerability Database

315,294

Total vulnerabilities in the database

CVE-2021-4052

Use after free in web apps in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

  • Published: Dec 23, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-4052
  • 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 - 96.0.4664.93
fedoraproject / fedora 34 34.x
debian / debian_linux 10.0 10.0.x
debian / debian_linux 11.0 11.0.x