CVE-2026-42254

MEDIUM

Hickory DNS 0.1-0.25.2 - Cross-Zone Poisoning

Title source: llm
STIX 2.1

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.

References (1)

Scores

CVSS v3 4.0
EPSS 0.0003
EPSS Percentile 8.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-706
Status published
Products (1)
Hickory Project/Hickory DNS 0.1 - 0.26
Published Apr 26, 2026
Tracked Since Apr 26, 2026