Vulnerability · Published Feb 9, 2026 · Assigned by OX

CVE-2025-59024Crafted delegations or IP fragments can poison cached delegations in Recursor

Medium 6.5

In plain English

A medium-severity security flaw in Recursor from PowerDNS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.1%top 95.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.22pdns-recursor5.2.5-r0ALPINE-CVE-2025-59024
Alpine:v3.23pdns-recursor5.3.0-r0ALPINE-CVE-2025-59024
Alpine:v3.24pdns-recursor5.3.0-r0ALPINE-CVE-2025-59024
Debian:12pdns-recursorno fix listedDEBIAN-CVE-2025-59024
Debian:13pdns-recursor5.2.6-0+deb13u1DSA-6045-1
Debian:13pdns-recursor5.2.6-0+deb13u1DEBIAN-CVE-2025-59024
Debian:14pdns-recursor5.3.1-1DEBIAN-CVE-2025-59024
Ubuntu:24.04:LTSpdns-recursorno fix listedUBUNTU-CVE-2025-59024
Ubuntu:25.10pdns-recursorno fix listedUBUNTU-CVE-2025-59024
Ubuntu:26.04:LTSpdns-recursorno fix listedUBUNTU-CVE-2025-59024
Ubuntu:26.10pdns-recursorno fix listedUBUNTU-CVE-2025-59024

Affected products (as reported)

VendorProductVersions
PowerDNS Recursor 5.3.0 – before 5.3.15.2.0 – before 5.2.65.1.0 – before 5.1.8

References