CVE-2026-42396

{"id": "CVE-2026-42396", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@open-xchange.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.2}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2026-05-21T10:16:25.927", "references": [{"url": "https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html", "tags": ["Broken Link"], "source": "security@open-xchange.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail"}], "lastModified": "2026-05-26T19:19:42.667", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9B985DC6-BCEA-4337-9369-F2F3C6BF2451", "versionEndExcluding": "4.9.15", "versionStartIncluding": "4.7.0"}, {"criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2A4E1802-A1AB-4058-A3DB-E514F6C07E30", "versionEndExcluding": "5.0.5", "versionStartIncluding": "5.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@open-xchange.com"}