{"api_version":"1","generated_at":"2026-06-03T01:32:15+00:00","cve":"CVE-2026-5947","urls":{"html":"https://cve.report/CVE-2026-5947","api":"https://cve.report/api/cve/CVE-2026-5947.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-5947","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-5947"},"summary":{"title":"SIG(0) validation during query flood may lead to undefined behavior","description":"Undefined behavior may result due to a race condition leading to a use-after-free violation.  If BIND receives an incoming DNS message signed with SIG(0), it begins work to validate that signature.  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