Vulnerability Database

309,961

Total vulnerabilities in the database

CVE-2025-11719

Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability affects Firefox < 144 and Thunderbird < 144.

  • Published: Oct 14, 2025
  • Updated: Nov 15, 2025
  • CVE: CVE-2025-11719
  • 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 143.0 144.0
mozilla / thunderbird 143.0 144.0