CVE-2026-0398

Summary

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

Affected Software

VendorProductVersion RangeStatus
PowerDNSRecursor5.3.0 < 5.3.5affected
PowerDNSRecursor5.2.0 < 5.2.8affected
PowerDNSRecursor5.1.0 < 5.1.10affected

Weaknesses

  • Allocation of Resources Without Limits or Throttling

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References