CVE-2026-42254 MEDIUM

CVE-2026-42254

Vendor Hickory Project
Product Hickory DNS
Weakness CWE-706
Published April 26, 2026
Last update April 27, 2026
View on NVD All CVEs

CVSS base score

4.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 26, 2026 CVE published
April 27, 2026 Record updated