{"id":"CVE-2026-40719","details":"Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.","aliases":["GHSA-cfc6-vhrv-62cj"],"modified":"2026-08-12T03:51:38.201221093Z","published":"2026-04-15T06:23:09.912Z","database_specific":{"cwe_ids":["CWE-670"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40719.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://maradns.samiam.org/changelog.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40719.json"},{"type":"ADVISORY","url":"https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40719"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/samboy/maradns","events":[{"introduced":"0"},{"last_affected":"08b21ea20d80cedcb74aa8f14979ec7c61846663"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"3.5.0036"}]}}],"versions":["3.5.0036","3.5.0035","3.5.0034","3.5.0033","3.5.0032","3.5.0031","3.5.0030","3.5.0029","3.5.0028","3.5.0027","3.5.0026","coLunacyDNS-1.0.012","3.5.0025","3.5.0024","3.5.0023","3.5.0022","3.5.0021","3.5.0020","3.5.0019","3.5.0018","coLunacyDNS-1.0.010","3.5.0017","coLunacyDNS-1.0.009","3.5.0016","coLunacyDNS-1.0.008","3.5.0015","coLunacyDNS-1.0.002","3.5.0014","3.5.0013","3.5.0012","3.5.0011","3.5.0010","2020-08-06","2020-08-05","2020-08-04","3.5.0009","3.5.0008","3.5.0007","3.5.0006","3.5.0005","3.5.0004","3.5.0003","3.5.0002","3.5.0001","3.4.01","deadwood-3.3.02","deadwood-3.3.01","maradns-2.0.17","deadwood-3.2.13","2018-08-17","2.0.16","2018-08-13","2018-04-11","2017-11-11","maradns-2.0.14","deadwood-3.2.10","2016-05-05","2.0.13","2.0.12-RELEASE","maradns-2.0.11","maradns-2.0.10a","maradns-2.0.10","3.2.06"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40719.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}