{"id":"CVE-2022-48256","aliases":["EUVD-2022-50965","GHSA-67rx-hj63-9h2v"],"status":"published","title":"Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME...","description":"Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00708,"percentile":0.5389,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-835"],"published":"2023-01-13T00:00:00Z","modified":"2026-06-17T05:14:53Z","products":[{"vendor":"technitium","product":"dns_server"}],"references":[{"url":"https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-100","tags":["x_transferred","Release Notes","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48256"},{"url":"https://github.com/advisories/GHSA-67rx-hj63-9h2v"}],"sources":{"cve":[{"id":"CVE-2022-48256","description":"Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records.","status":"published","published":"2023-01-13T00:00:00Z","modified":"2025-04-07T15:40:46.877Z","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-835"],"updated_at":"2026-11-02T14:34:33.574107Z"}],"euvd":[{"id":"EUVD-2022-50965","description":"Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records.","status":"published","published":"2023-01-13T00:00:00Z","modified":"2025-04-07T15:40:46Z","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":"2026-11-02T20:52:41.59184Z"}],"ghsa":[{"id":"GHSA-67rx-hj63-9h2v","title":"Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME...","description":"Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records.","status":"published","published":"2023-01-13T03:30:18Z","modified":"2023-01-31T05:06:30Z","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-835"],"updated_at":"2026-11-02T14:49:02.515371Z"}],"nvd":[{"id":"CVE-2022-48256","description":"Technitium DNS Server before 10.0 allows a self-CNAME denial-of-service attack in which a CNAME loop causes an answer to contain hundreds of records.","status":"published","published":"2023-01-13T01:15:10.143Z","modified":"2026-06-17T05:14:53.03Z","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":"primary"},{"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-835"],"updated_at":"2026-11-02T14:07:35.157734Z"}]}}