Vulnerability Database

315,363

Total vulnerabilities in the database

CVE-2021-26530

The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 (compiled with OpenSSL support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool.

  • Published: Feb 8, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-26530
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.1
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.4
  • AV:N/AC:L/Au:N/C:N/I:P/A:P

CWEs:

Software From Fixed in
cesanta / mongoose 7.0 7.0.x