CVE-2026-42254

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Summary

CVECVE-2026-42254
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-26 03:15:59 UTC
Updated2026-04-26 03:15:59 UTC
DescriptionHickory 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.

Risk And Classification

Primary CVSS: v3.1 4 MEDIUM from [email protected]

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

Problem Types: CWE-706 | CWE-706 CWE-706 Use of Incorrectly-Resolved Name or Reference

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
3.1CNACVSS4MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Hickory Project Hickory DNS affected 0.1 0.26 custom Not specified

References

ReferenceSourceLinkTags
github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq [email protected] github.com
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