{"id":"CVE-2024-56946","aliases":["EUVD-2024-53455","GHSA-r58r-w68f-vcxj"],"status":"published","title":"Denial of service in DNS-over-QUIC in Technitium DNS Server \u003c= v13.2.2 allows remote attackers to...","description":"Denial of service in DNS-over-QUIC in Technitium DNS Server \u003c= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00464,"percentile":0.40657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248"],"published":"2025-02-03T00:00:00Z","modified":"2026-10-28T02:30:49Z","products":[{"vendor":"technitium","product":"dnsserver"}],"references":[{"url":"https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133","tags":["Release Notes","web"]},{"url":"https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0","tags":["Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56946","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r58r-w68f-vcxj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56946.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-56946","description":"Denial of service in DNS-over-QUIC in Technitium DNS Server \u003c= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.","status":"published","published":"2025-02-03T00:00:00Z","modified":"2025-03-13T15:17:15.614Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N","level":"medium","assessor":"cna"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:33:57.638551Z"}],"euvd":[{"id":"EUVD-2024-53455","description":"Denial of service in DNS-over-QUIC in Technitium DNS Server \u003c= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.","status":"published","published":"2025-02-03T00:00:00Z","modified":"2025-03-13T15:17:15Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N","level":"medium"}],"updated_at":"2026-11-02T20:53:04.82001Z"}],"ghsa":[{"id":"GHSA-r58r-w68f-vcxj","title":"Denial of service in DNS-over-QUIC in Technitium DNS Server \u003c= v13.2.2 allows remote attackers to...","description":"Denial of service in DNS-over-QUIC in Technitium DNS Server \u003c= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.","status":"published","published":"2025-02-03T21:31:49Z","modified":"2025-03-13T18:32:17Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T15:00:16.082166Z"}],"nvd":[{"id":"CVE-2024-56946","description":"Denial of service in DNS-over-QUIC in Technitium DNS Server \u003c= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.","status":"published","published":"2025-02-03T20:15:33.743Z","modified":"2026-06-17T08:13:05.91Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:10:43.581383Z"}],"osv":[{"id":"CVE-2024-56946","description":"Denial of service in DNS-over-QUIC in Technitium DNS Server \u003c= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.","status":"published","published":"2025-02-03T00:00:00Z","modified":"2026-10-28T02:30:49.430177502Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N","level":"medium"}],"updated_at":"2026-11-02T15:44:44.777182Z"}]}}