CVEvulnerability

CVE-2026-33602

8.2 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])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS 3.1 ([email protected])
8.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Weaknesses
CWE-122

Description

A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service.

Affected configurations

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

Related

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References