Security advisory

{
  "id": "eecde8d7892b3836bc27b170917fff979c0aed6fc1bdd5a933418424fdd82cd6",
  "url": "https://osv.dev/vulnerability/CVE-2025-50334",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-50334",
    "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",
    "evidence": "osv:CVE-2025-50334",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-50334",
      "aliases": [
        "CVE-2025-50334"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/technitiumsoftware/dnsserver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4c3eb66d9d99a948e46618552274f4b36dff569b"
                },
                {
                  "fixed": "7229b217238213cc6275eea68a7e17d73df1603e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "14.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "7229b217238213cc6275eea68a7e17d73df1603e"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "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-2025-50334.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.294739287Z",
      "provider": "osv",
      "references": [
        "https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334",
        "https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md",
        "https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs",
        "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-50334.json",
        "https://access.redhat.com/security/cve/CVE-2025-50334",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50334.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-50334",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2428058",
        "https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50334.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-50334",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497968,
  "published_at": "2026-01-08T00:00:00+00:00"
}