CVE-2026-33602

MEDIUM

6.5

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published4/22/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-122

References

https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html(security@open-xchange.com)

IOC Correlations

No correlations recorded

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