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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail"}], "id": "CVE-2026-42396", "lastModified": "2026-05-21T10:16:25.927", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "security@open-xchange.com", "type": "Secondary"}]}, "published": "2026-05-21T10:16:25.927", "references": [{"source": "security@open-xchange.com", "url": "https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html"}], "sourceIdentifier": "security@open-xchange.com", "vulnStatus": "Received"}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.9.0,4.9.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.0.5)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Authoritative", "source": "cna", "vendor": "PowerDNS"}, "product": "authoritative", "vendor": "powerdns"}], "created": "2026-05-21T11:30:05.785653+00:00", "updated": "2026-05-21T11:30:06.059966+00:00", "vendors": ["powerdns", "powerdns$PRODUCT$authoritative"], "weaknesses": ["CWE-20"]}