PT-2026-35193 · Hickory · Hickory Dns

Published 2026-04-26 · Updated 2026-04-26 · CVE-2026-42254

NVD

CVSS v3.1

4.0

Medium

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

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.

Fix

Weakness Enumeration

CWE-706

Related Identifiers

CVE-2026-42254

Affected Products

Hickory Dns

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-42254 · Security Note
• https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq · Note
• https://twitter.com/VulmonFeeds/status/2048253758207926433 · Twitter Post