# CVE-2026-42254

> Vulnerability · severity: **MEDIUM** (CVSS 4).

## 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.

## Key facts

- **CVE ID:** CVE-2026-42254
- **Published:** 2026-04-26
- **CVSS severity:** MEDIUM
- **CVSS base score:** 4
- **CWE codes:** CWE-706

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-42254

## Citation

> AI Analytics. CVE-2026-42254. Retrieved 2026-07-28 from https://api.ai-analytics.org/cve/CVE-2026-42254. Derived from NIST NVD. Licensed CC0.

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