Hickory DNS Recursor EUVD-2026-25687

| CVE-2026-42254 MEDIUM
Use of Incorrectly-Resolved Name or Reference (CWE-706)
2026-04-26 mitre
4.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

2
Patch available
Apr 26, 2026 - 05:01 EUVD
Analysis Generated
Apr 26, 2026 - 03:30 vuln.today

DescriptionNVD

Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response.

AnalysisAI

Hickory DNS recursor versions 0.1 through 0.25.2 allow cross-zone DNS poisoning attacks due to cached DNS responses not being directly associated with the query that triggered them, enabling attackers to inject malicious DNS records across zone boundaries and potentially redirect traffic to attacker-controlled servers without user interaction or authentication.

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EUVD-2026-25687 vulnerability details – vuln.today

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