{ "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": "2026-05-21T11:59:46.710Z" }, "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": "
Concurrency and locking defects in GSS-TSIG
" } ] } ], "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" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-364", "lang": "en", "description": "CWE-364 Signal Handler Race Condition" } ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-21T11:58:57.204166Z", "id": "CVE-2026-42002", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-21T11:59:46.710Z" } } ] } }