CVE-2026-42390

Summary

An invalid zone might pass ZONEMD validation while it should not. This is only relevant if ZoneToCache is configured with ZONEMD validation.

Affected Software

VendorProductVersion RangeStatus
PowerDNSRecursor5.4.0 < 5.4.3affected

Weaknesses

  • Improper Input Validation

ADP Enrichment

CISA ADP Vulnrichment

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

References