{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42002", "assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "state": "PUBLISHED", "assignerShortName": "OX", "dateReserved": "2026-04-23T11:15:21.198Z", "datePublished": "2026-05-21T09:27:04.431Z", "dateUpdated": "2026-05-21T09:27:04.431Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981", "shortName": "OX", "dateUpdated": "2026-05-21T09:27:04.431Z"}, "title": "Concurrency and locking defects in GSS-TSIG", "datePublic": "2026-05-19T22:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "description": "Signal Handler Race Condition", "type": "CWE"}]}], "affected": [{"vendor": "PowerDNS", "product": "Authoritative", "collectionURL": "https://repo.powerdns.com/", "packageName": "pdns", "repo": "https://github.com/PowerDNS/pdns", "modules": ["GSS-TSIG"], "programFiles": ["gss_context.cc"], "versions": [{"status": "affected", "version": "4.9.0", "lessThan": "4.9.15", "versionType": "semver"}, {"status": "affected", "version": "5.0.0", "lessThan": "5.0.5", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Concurrency and locking defects in GSS-TSIG", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Concurrency and locking defects in GSS-TSIG</p>"}]}], "references": [{"url": "https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-powerdns-2026-06.html"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 5.9, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "credits": [{"lang": "en", "value": "thanos_haruki", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}