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recursor

Vendor: powerdns

Actively Exploited 0 CISA KEV List
PoC / Exploits 3 Code Available
Total RCEs 3 Remote Access
Total CVEs 86 Total Indexed
Avg. EPSS 11.91% Exploit Prob.
Latest CVE CVE-2026-33601 Apr 22

Security Vulnerability Index

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4.4 CVSS

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.

EPSS: 0.51%
4.4 CVSS

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.

EPSS: 0.52%
5.9 CVSS

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.

EPSS: 0.42%
5.9 CVSS

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

EPSS: 0.23%
5.3 CVSS

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.

EPSS: 0.52%
5.0 CVSS

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.

EPSS: 0.22%
5.3 CVSS

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

EPSS: 0.58%
5.3 CVSS

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.

EPSS: 0.51%
5.3 CVSS

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.

EPSS: 0.61%
5.3 CVSS

Crafted zones can lead to increased incoming network traffic.

EPSS: 0.40%