CVE-2026-42254: Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly...
MEDIUM
CVSS 4.0
1 PoC
Published: April 26, 2026 | Last Modified: April 26, 2026
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.
Ghostwire Analysis — What This Means Practically
- Medium CVSS score indicates moderate risk — exploitation requires specific conditions or results in limited impact.
- 1 proof-of-concept exploit available on GitHub. Public exploit code lowers the barrier for both researchers and attackers.
This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.
Proof-of-Concept Exploits (1)
Security Coverage (1 articles)
References