CVE-2025-59023: Crafted delegations or IP fragments can poison cached delegations in Recursor

Published Feb 9, 2026
·
Updated

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

Affected Software

3 affected components
PowerDNS recursor>=5.1.0<5.1.8
PowerDNS recursor>=5.2.0<5.2.6
PowerDNS recursor>=5.3.0<5.3.1

Event History

Feb 9, 2026
CVE Published
via MITRE·02:44 PM
Data Sourced
via MITRE·02:44 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software
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