CVE-2026-33256

Summary

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

Affected Software

VendorProductVersion RangeStatus
PowerDNSRecursor5.4.0 < 5.4.1affected
PowerDNSRecursor5.3.0 < 5.3.6affected
PowerDNSRecursor5.2.0 < 5.2.9affected

Weaknesses

  • Allocation of Resources Without Limits or Throttling

ADP Enrichment

CISA ADP Vulnrichment

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

References