Vulnerability Database

313,359

Total vulnerabilities in the database

CVE-2025-14321

Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.

  • Published: Dec 9, 2025
  • Updated: Dec 12, 2025
  • CVE: CVE-2025-14321
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
mozilla / firefox - 140.6.0
mozilla / firefox - 146.0
mozilla / thunderbird - 140.6.0
mozilla / thunderbird - 146.0