Security advisory

{
  "id": "9079e10df8283bcbef1af8af267e5d1753fd3937dc2ee3e83be8e8e70368f5ba",
  "url": "https://osv.dev/vulnerability/CVE-2019-3871",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-3871",
    "summary": "A vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7. An insufficient validation of data coming from the user when building a HTTP request from a DNS query in the HTTP Connector of the Remote backend, allowing a remote user to cause a denial of service by making the server connect to an invalid endpoint, or possibly information disclosure by making the server connect to an internal endpoint and somehow extracting meaningful information about the response",
    "evidence": "osv:CVE-2019-3871",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-3871",
      "aliases": [
        "CVE-2019-3871"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/powerdns/pdns",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1e61e68fdd6f0937240da46e48434c2fd073bf44"
                },
                {
                  "introduced": "80da1b4773cbdad76755b01c70739059d6f607af"
                },
                {
                  "fixed": "8c7029b6158e119f1e8317a5af5f147547a23fa2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.0.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:powerdns:authoritative_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.1.0"
                      },
                      {
                        "fixed": "4.1.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "rec-4.1.6",
            "rec-4.1.5",
            "rec-4.1.4",
            "rec-4.1.3",
            "rec-4.1.2",
            "rec-4.1.1",
            "rec-4.1.0",
            "rec-4.0.6",
            "rec-4.0.5",
            "rec-4.0.5-rc2",
            "rec-4.0.5-rc1",
            "rec-4.0.4",
            "rec-4.0.3",
            "dnsdist-1.1.0-beta1",
            "rec-4.0.2",
            "rec-4.0.1",
            "auth-4.0.1",
            "rec-4.0.0",
            "auth-4.0.0",
            "auth-4.0.0-rc1",
            "auth-4.0.0-rc2",
            "rec-4.0.0-rc1",
            "rec-4.0.0-beta1",
            "auth-4.0.0-beta1",
            "auth-4.0.0-alpha3",
            "rec-4.0.0-alpha3",
            "dnsdist-1.0.0",
            "dnsdist-1.0.0-beta1",
            "rec-4.0.0-alpha2",
            "auth-4.0.0-alpha2",
            "dnsdist-1.0.0-alpha2",
            "auth-4.0.0-alpha1",
            "rec-4.0.0-alpha1",
            "dnsdist-1.0.0-alpha1",
            "auth-3.4.0",
            "auth-3.4.0-rc2",
            "rec-3.6.0",
            "auth-3.4.0-rc1",
            "rec-3.5",
            "rec-3.5-rc5",
            "rec-3.5-rc4",
            "rec-3.5-rc3",
            "rec-3.5-rc1",
            "auth-3.2-rc4",
            "auth-3.2-rc3",
            "auth-3.2-rc2",
            "auth-3.2-rc1",
            "auth-3.1-rc3",
            "auth-3.1-rc2",
            "auth-3.1-rc1",
            "rec-3.3.1",
            "rec-3.1.4",
            "rec-3.0.1",
            "rec-3-0-1",
            "rec-3.0",
            "rec-3-0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3871.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:35.347121212Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2019/03/msg00039.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GWUHF6MRSQ3YO7UUISGLV7MXCAGBW2VD/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROFI6OTWF4GKONNSNEDUCW6LVSSEBZNF/",
        "https://seclists.org/bugtraq/2019/Apr/8",
        "https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-03.html",
        "https://www.debian.org/security/2019/dsa-4424",
        "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3871"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "28"
                  },
                  {
                    "last_affected": "28"
                  },
                  {
                    "introduced": "29"
                  },
                  {
                    "last_affected": "29"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-3871",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433722,
  "published_at": "2019-03-21T21:29:00.7+00:00"
}