CVEvulnerability

CVE-2026-33599

8.1 HIGH Published 2026-04-22 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-04-22
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.1 LOW — CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weaknesses
CWE-125

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 configurations

• powerdns dnsdist (>= 1.9.0 < 1.9.13) • powerdns dnsdist (>= 2.0.0 < 2.0.4)

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References