{"id":"CVE-2025-50334","title":"An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component","summary":"An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770","CWE-770"],"vendor":"technitium","product":"dnsserver","affected":["dnsserver < 14.0"],"patched":["dnsserver 14.0"],"published":"2026-01-08","updated":"2026-06-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-50334","references":[{"url":"http://technitium.com","label":"cve@mitre.org"},{"url":"https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334","label":"cve@mitre.org"},{"url":"https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md","label":"cve@mitre.org"},{"url":"https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs","label":"cve@mitre.org"},{"url":"https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e","label":"cve@mitre.org"},{"url":"https://access.redhat.com/security/cve/CVE-2025-50334","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2428058","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-50334.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}],"tags":["nvd"],"epss":0.01085,"epssPercentile":0.63332,"ingestedAt":"2026-06-30T13:26:50.245Z","slug":"CVE-2025-50334","body":"## Overview\n\nAn issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component\n\n## Affected\n\n- `dnsserver < 14.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `dnsserver 14.0`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}