{"id":"CVE-2026-42254","sourceIdentifier":"cve@mitre.org","published":"2026-04-26T03:15:59.080","lastModified":"2026-06-17T10:47:35.213","vulnStatus":"Awaiting Analysis","cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"Hickory Project","product":"Hickory DNS","defaultStatus":"unaffected","packageURL":"pkg:cargo/hickory-recursor","versions":[{"version":"0.1","lessThan":"0.26","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve@mitre.org","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","baseScore":4.0,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-27T13:18:57.831422Z","id":"CVE-2026-42254","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cve@mitre.org","type":"Secondary","description":[{"lang":"en","value":"CWE-706"}]}],"references":[{"url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq","source":"cve@mitre.org"}]}