Description
An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame.
Published: 2026-06-25
Score: 3.7 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6367-1 dnsdist security update
History

Thu, 25 Jun 2026 23:30:00 +0000

Type Values Removed Values Added
First Time appeared Powerdns
Powerdns dnsdist
Vendors & Products Powerdns
Powerdns dnsdist

Thu, 25 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-399
CWE-400

Thu, 25 Jun 2026 15:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-399
CWE-400

Thu, 25 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-705
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 25 Jun 2026 13:00:00 +0000

Type Values Removed Values Added
Description An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame.
Title Denial of service via DoH3 queries
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Subscriptions

Powerdns Dnsdist
cve-icon MITRE

Status: PUBLISHED

Assigner: OX

Published:

Updated: 2026-06-25T13:24:55.798Z

Reserved: 2026-04-10T07:11:39.060Z

Link: CVE-2026-40208

cve-icon Vulnrichment

Updated: 2026-06-25T13:24:38.396Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-25T23:15:04Z

Weaknesses