{"id":"CVE-2026-36478","details":"An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components","modified":"2026-10-28T02:31:02.477804340Z","published":"2026-06-26T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/36xxx/CVE-2026-36478.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://github.com/TechnitiumSoftware/DnsServer/blob/aa9044d4df9d739b6a6e428bb77cecb3356b775b/CHANGELOG.md?plain=1#L45"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/36xxx/CVE-2026-36478.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-36478"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/technitiumsoftware/dnsserver","events":[{"introduced":"0"},{"last_affected":"7f7ce2685eadd6172f139f39e9e8d2e75f223a94"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"last_affected":"14.3"}],"source":"DESCRIPTION"}]}}],"versions":["v14.3.0","v14.2.0","v14.1.0","v14.0.1","v14.0.0","v13.6.0","v13.4.3","v13.4.2","v13.4.1","v13.4","v13.3","v13.2.2","v13.2.1","v13.2","v13.1.1","v13.1","v13.0.2","v12.2.1","v12.2","v12.1","v12.0.1","v12.0","v11.5.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-36478.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}