Security advisory

{
  "id": "bebb1fae7c3e5a1ac2b91b2759777e7171606c7d7a4355d22bbf03d2411913cf",
  "url": "https://osv.dev/vulnerability/CVE-2019-5917",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-5917",
    "summary": "azure-umqtt-c (available through GitHub prior to 2017 October 6) allows remote attackers to cause a denial of service via unspecified vectors.",
    "evidence": "osv:CVE-2019-5917",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-5917",
      "aliases": [
        "CVE-2019-5917"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/azure/azure-umqtt-c",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "dc47aed40cc53edae65acdf35b9cf370757f48b0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:microsoft:azure-umqtt-c:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2017-10-06"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2017-09-25",
            "2017-09-08",
            "2017-07-28",
            "2017-07-14",
            "2017-06-16",
            "2017-06-02",
            "2017-05-19",
            "2017-05-05",
            "2017-04-21",
            "2017-04-07",
            "2017-04-06",
            "2017-02-24",
            "2017-02-10",
            "2017-01-27",
            "2016-11-17",
            "2016-09-09",
            "2016-06-27",
            "2016-02-08"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5917.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:51.771762804Z",
      "provider": "osv",
      "references": [
        "https://github.com/Azure/azure-umqtt-c"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-5917",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379781,
  "published_at": "2019-03-12T22:29:00.8+00:00"
}