Vulnerability Database

315,363

Total vulnerabilities in the database

CVE-2025-51495

An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.

  • Published: Sep 29, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-51495
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
cesanta / mongoose 7.5 7.17.x