CVE-20XX-?

Powerdns Recursor CVEs.

Published CVEs affecting Powerdns Recursor, ranked by exploit odds.

13 CVEs · updated 2026-11-06 03:33 UTC

  1. CVE-2026-33256

    An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

    Denial of service Server Powerdns Recursor

    5.3 MEDIUM 0.6% exploit odds Fix listed
  2. CVE-2025-59030

    An attacker can trigger the removal of cached records by sending a NOTIFY query over TCP.

    Auth & access Powerdns Recursor

    7.5 HIGH 0.6% exploit odds Fix listed
  3. CVE-2026-33258

    By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.

    Denial of service Powerdns Recursor

    5.3 MEDIUM 0.6% exploit odds Fix listed
  4. 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.

    Memory safety Server Powerdns Recursor

    4.4 MEDIUM 0.5% exploit odds Fix listed
  5. CVE-2026-33601

    If you use the zoneToCache function with a malicious authoritative server, an attacker can send a zone that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service.

    Memory safety Server Powerdns Recursor

    4.4 MEDIUM 0.5% exploit odds Fix listed
  6. CVE-2026-24027

    Crafted zones can lead to increased incoming network traffic.

    Other Powerdns Recursor

    5.3 MEDIUM 0.5% exploit odds Fix listed
  7. CVE-2026-33262

    An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.

    Memory safety Powerdns Recursor

    5.9 MEDIUM 0.4% exploit odds Fix listed
  8. CVE-2025-59029

    An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.

    Other Powerdns Recursor

    5.3 MEDIUM 0.4% exploit odds Fix listed
  9. CVE-2026-0398

    Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor.

    Denial of service Powerdns Recursor

    5.3 MEDIUM 0.4% exploit odds Fix listed
  10. CVE-2025-59023

    Crafted delegations or IP fragments can poison cached delegations in Recursor.

    Other Powerdns Recursor

    8.2 HIGH 0.3% exploit odds Fix listed
  11. CVE-2026-33261

    A zone transition from NSEC to NSEC3 might trigger an internal inconsistency and cause a denial of service.

    Denial of service Powerdns Recursor

    5.9 MEDIUM 0.2% exploit odds Fix listed
  12. CVE-2026-33259

    Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider.

    Memory safety Powerdns Recursor

    5.0 MEDIUM 0.2% exploit odds Fix listed
  13. CVE-2025-59024

    Crafted delegations or IP fragments can poison cached delegations in Recursor.

    Other Powerdns Recursor

    6.5 MEDIUM 0.1% exploit odds Fix listed

All CVEs affecting Powerdns Recursor that appear in CVE.org and NVD, sorted by how likely they are to be exploited (EPSS), with fix status and timeline.