GHSA-83HF-93M4-RGWQ: CVE-2026-42254: Cross-Zone DNS Cache Poisoning in Hickory DNS Recursor

CVE-2026-42254: Cross-Zone DNS Cache Poisoning in Hickory DNS Recursor Vulnerability ID: GHSA-83HF-93M4-RGWQ CVSS Score: 4.0 Published: 2026-04-30 The hickory-recursor crate in Hickory DNS contains a cache poisoning vulnerability due to improper re...