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CVE-2026-42254

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CVE-2026-42254

Published: Apr 26, 2026

Modified: Apr 27, 2026

PUBLISHED

CVSS v3.1

4.0

MEDIUM

Description

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.

VendorProductVersions

Hickory Project

Hickory DNS

affected
0.1 - < 0.26

Weaknesses (CWE)

CWE-706

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

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