CVE-2025-59023

HIGH

PowerDNS Recursor 5.1.0-5.1.7, 5.2.0-5.2.5, 5.3.0 - Cache Poisoning via Crafted Delegations or IP Fragments

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1

Scores

CVSS v3 8.2
EPSS 0.0027
EPSS Percentile 18.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-294
Status published
Products (4)
PowerDNS/Recursor 5.1.0 - 5.1.8
powerdns/recursor 5.1.0 - 5.1.8
PowerDNS/Recursor 5.2.0 - 5.2.6
PowerDNS/Recursor 5.3.0 - 5.3.1
Published Feb 09, 2026
Tracked Since Feb 18, 2026