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CVE PROGRAM SOURCE RECORD3.1 Low

CVE-2026-33599

Out-of-bounds read in service discovery

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

Description

A rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request, when requested via either the autoUpgrade (Lua) option to newServer or auto_upgrade (YAML) settings. DDR upgrade is not enabled by default.

Affected products

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

PowerDNS DNSdist

Default version status: unaffected

  • 1.9.0 to < 1.9.13affected
  • 2.0.0 to < 2.0.4affected

References