Product · Hickory Project

Hickory DNS

1 known vulnerabilities.

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Medium 4.0

CVE-2026-42254

Hickory DNS's Record Cache Accepts AUTHORITY-Section NS from Sibling Zone via Parent-Pool Zone-Context Elevation

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.

Hickory Project Hickory DNS rust-hickory-recursor rust-hickory-recursor Debian Ubuntu crates.io

Apr 26, 2026