CVE-2026-42254_CVE-2026-42254

4 / 10

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

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.

Basic Information

ID CVE-2026-42254

Source mitre

Published Apr 26, 2026 at 02:38

Modified Apr 26, 2026 at 03:10

Affected Product

Vendor Hickory Project

Product Hickory DNS

Version 0.1

Affected Versions Hickory Project Hickory DNS 0.1

CWE Classification

CWE-706

References

github.com /hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq

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    "published": "2026-04-26T02:38:41.261Z",
    "modified": "2026-04-26T03:10:54.172Z",
    "type": "cve",
    "title": "CVE-2026-42254",
    "source": "mitre",
    "references": "https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq",
    "id": "CVE-2026-42254",
    "bulletinFamily": "",
    "cwe": [
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    "cvelist": null,
    "sourceData": "Hickory Project Hickory DNS 0.1",
    "sourceHref": "",
    "cvss": {
        "score": 4,
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        "privilegesRequired": "",
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        "availabilityImpact": "",
        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Hickory DNS",
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    "vendor": "Hickory Project",
    "ai_description": "",
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}