Name: CVE-2026-40208: Incorrect Control Flow Scoping
Creator: Rapid7
Published: 2026-06-25T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-40208, CWE-705, CVSS 3.7, EPSS 0.00402

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame.

CVSS Details

CVSS 3.1 Base Score: 3.7
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade dnsdist	Jul 23, 2026	Jul 23, 2026
Freebsd	—	Upgrade dnsdist	Jun 30, 2026	Jun 29, 2026

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CVSS Details

Covered by Rapid7

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