CVE-2026-52688

Summary

RRSIGs with too few labels can lead to bypass of DNSSEC wildcard validation

Affected Software

VendorProductVersion RangeStatus
PowerDNSRecursor5.2.0 < 5.2.12affected
PowerDNSRecursor5.3.0 < 5.3.9affected
PowerDNSRecursor5.4.0 < 5.4.4affected

Weaknesses

  • Insufficient Verification of Data Authenticity

ADP Enrichment

CISA ADP Vulnrichment

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

References