Security advisory

{
  "id": "cd9257e6e16453bd4ec5a51f704d90530050dd7dc5b14c95bfc89523a08a951c",
  "url": "https://osv.dev/vulnerability/CVE-2019-13952",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-13952",
    "summary": "The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in zone data.",
    "evidence": "osv:CVE-2019-13952",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2019-13952",
      "aliases": [
        "CVE-2019-13952"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gdnsd/gdnsd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "866c6f700a7ab6f078117ec27d8a54eb5a099772"
                },
                {
                  "introduced": "f68995fe0afdc6aa74485d6fb49100ed2b1a0766"
                },
                {
                  "fixed": "10e6ccc848a81cbe71633fd314bbc31e7d165091"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gdnsd:gdnsd:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.4.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:gdnsd:gdnsd:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.2.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.2.0",
            "v3.1.0",
            "v2.4.2",
            "v3.0.0",
            "v2.4.1",
            "v2.4.0",
            "v2.3.1",
            "v2.3.0",
            "v2.2.4",
            "v2.2.3",
            "v2.2.2",
            "v2.2.1",
            "v2.2.0",
            "v2.1.0",
            "v2.0.0",
            "v1.10.1",
            "v1.10.0",
            "v1.9.0",
            "v1.8.3",
            "v1.8.2",
            "v1.8.1",
            "v1.8.0",
            "v1.6.9",
            "v1.6.8",
            "v1.6.7",
            "v1.6.6",
            "v1.6.5",
            "v1.6.4",
            "v1.6.3",
            "v1.6.2",
            "v1.6.1",
            "v1.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13952.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:29.934195562Z",
      "provider": "osv",
      "references": [
        "https://github.com/gdnsd/gdnsd/issues/185"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-13952",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380470,
  "published_at": "2019-07-18T17:15:12.083+00:00"
}