{"id":"CVE-2026-36478","aliases":["EUVD-2026-39933","GHSA-fq83-8h88-7gf5"],"status":"published","title":"An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of...","description":"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","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00549,"percentile":0.46271,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2026-06-26T00:00:00Z","modified":"2026-10-28T02:31:02Z","references":[{"url":"https://github.com/TechnitiumSoftware/DnsServer/blob/aa9044d4df9d739b6a6e428bb77cecb3356b775b/CHANGELOG.md?plain=1#L45","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-36478","tags":["advisory"]},{"url":"http://technitium.com"},{"url":"https://github.com/advisories/GHSA-fq83-8h88-7gf5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/36xxx/CVE-2026-36478.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-36478","description":"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","status":"published","published":"2026-06-26T00:00:00Z","modified":"2026-07-05T01:36:56.769Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:19:55.176387Z"}],"euvd":[{"id":"EUVD-2026-39933","description":"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","status":"published","published":"2026-06-26T00:00:00Z","modified":"2026-07-05T01:36:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:14.2986Z"}],"ghsa":[{"id":"GHSA-fq83-8h88-7gf5","title":"An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of...","description":"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","status":"published","published":"2026-06-27T00:30:30Z","modified":"2026-06-29T15:32:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:09:03.268343Z"}],"nvd":[{"id":"CVE-2026-36478","description":"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","status":"published","published":"2026-06-26T22:16:31.513Z","modified":"2026-10-25T17:10:00.197Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:12:26.508751Z"}],"osv":[{"id":"CVE-2026-36478","description":"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","status":"published","published":"2026-06-26T00:00:00Z","modified":"2026-10-28T02:31:02.47780434Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:02.673625Z"}]}}