CVE-2026-33602

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CVSS 3.1

8.2 high

EPSS

<1%p52

Published

Apr 22, 2026 (Apr 22, 2026)

Modified

Jun 17, 2026

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.

Vendors: powerdns
Products: dnsdist
Weakness: CWE-122
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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