CVE-2026-40208

Denial of service via DoH3 queries

State
Published
Severity
3.7 Low
Published
Jun 25, 2026
Updated
Jun 25, 2026
Reserved
Apr 10, 2026

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
3.13.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LOX

Weaknesses

  • CWE-705 Incorrect Control Flow Scoping

Affected Products

ProductVersions
DNSdistPowerDNS
  • 1.9.0 to before 1.9.15Affected
  • 2.0.0 to before 2.0.7Affected

References

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