Vulnerability Database

309,134

Total vulnerabilities in the database

CVE-2021-21191

Use after free in WebRTC in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

  • Published: Mar 16, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-21191
  • 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 - 89.0.4389.90
fedoraproject / fedora 32 32.x
debian / debian_linux 10.0 10.0.x