{"id":"CVE-2026-40719","state":"PUBLISHED","title":"Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.","description":"Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.","publishedAt":"2026-04-15T06:23:09.912Z","updatedAt":"2026-04-15T13:22:14.897Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"mitre"},"assigner":"mitre","products":["MaraDNS MaraDNS"],"affected":[{"vendor":"MaraDNS","product":"MaraDNS","defaultStatus":"unknown","versions":[{"version":"3.5.0036","status":"affected","versionType":"custom"}]}],"references":["https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj","https://maradns.samiam.org/changelog.html"],"weaknesses":["CWE-670"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40719.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40719","state":"PUBLISHED","datePublished":"2026-04-15T06:23:09.912Z","dateUpdated":"2026-04-15T13:22:14.897Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-04-15T06:23:09.482Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved."}],"affected":[{"vendor":"MaraDNS","product":"MaraDNS","defaultStatus":"unknown","versions":[{"version":"3.5.0036","status":"affected","versionType":"custom"}]}],"references":[{"url":"https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj"},{"url":"https://maradns.samiam.org/changelog.html"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-670","description":"CWE-670 Always-Incorrect Control Flow Implementation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-04-15T06:37:29.631Z"},"x_generator":{"engine":"CVE-Request-form 0.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-15T13:22:11.706344Z","id":"CVE-2026-40719","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-15T13:22:14.897Z"}}]}}}