Findings

CVE-2026-33600

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

Published Apr 22, 2026 · updated Jun 17, 2026 · powerdns recursor

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 22, 2026 · NIST NVD

    Detected

    An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

  2. Jun 17, 2026 · NIST NVD

    Updated

    An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

Affected

  • cpe powerdns/recursorversion unspecified
  • cpe powerdns/recursor5.4.0

Sources

  • CVE.orgVulnerability recordCVE-2026-33600

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-33600

    An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

    nvd.nist.gov

References

CVE-2026-33600 · ZeroDay Findings