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Low severity3.1NVD Advisory· Published Apr 22, 2026· Updated Apr 24, 2026

CVE-2026-33599

CVE-2026-33599

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

1
  • PowerDNS/Dnsdist
    cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*
    Range: >=1.9.0,<1.9.13

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

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