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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-33258

Crafted zones can cause increased resource usage

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
OX

Description

By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

PowerDNS Recursor

Default version status: unaffected

  • 5.4.0 to < 5.4.1affected
  • 5.3.0 to < 5.3.6affected
  • 5.2.0 to < 5.2.9affected

References