Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2023-26437

Denial of service vulnerability in PowerDNS Recursor allows authoritative servers to be marked unavailable.This issue affects Recursor: through 4.6.5, through 4.7.4 , through 4.8.3.

  • Published: Apr 4, 2023
  • Updated: May 4, 2025
  • CVE: CVE-2023-26437
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

No CWE or OWASP classifications available.

Software From Fixed in
powerdns / recursor 4.8.0 4.8.4
powerdns / recursor 4.7.0 4.7.5
powerdns / recursor - 4.6.6