CVE-2026-42254

MEDIUM EPSS 5.9%

Published Apr 26, 20262mo ago · Modified Jun 17, 20262w ago

4.0 CVSS 3.1

Medium

Published Apr 26, 2026 2mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

4.0

Exploitability

2.2

Impact

1.4

Vector string

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

Threat Intelligence

EPSS Exploit Probability

5.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-706

References 1

github.com https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.