Security advisory

{
  "id": "e3aaa1c0481eb9b35797d9f0b6a08275cf6f5010642737547c0949d2e05442a4",
  "url": "https://osv.dev/vulnerability/CVE-2017-7653",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-7653",
    "summary": "The Eclipse Mosquitto broker up to version 1.4.15 does not reject strings that are not valid UTF-8. A malicious client could cause other clients that do reject invalid UTF-8 strings to disconnect themselves from the broker by sending a topic string which is not valid UTF-8, and so cause a denial of service for the clients.",
    "evidence": "osv:CVE-2017-7653",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-7653",
      "aliases": [
        "CVE-2017-7653"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/eclipse-mosquitto/mosquitto",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4f838e51611b9a71f2e3e98e6fddd02a5c1b4c03"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.4.15"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.4.15",
            "v1.4.14",
            "v1.4.13",
            "v1.4.12",
            "v1.4.11",
            "v1.4.10",
            "v1.4.9",
            "v1.4.8",
            "v1.4.7",
            "v1.4.6",
            "v1.4.5",
            "v1.4.4",
            "v1.4.3",
            "v1.4.2",
            "v1.4.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7653.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.995187534Z",
      "provider": "osv",
      "references": [
        "https://usn.ubuntu.com/4023-1/",
        "https://lists.debian.org/debian-lts-announce/2018/09/msg00036.html",
        "https://www.debian.org/security/2018/dsa-4325",
        "https://bugs.eclipse.org/bugs/show_bug.cgi?id=532113"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  },
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-7653",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431270,
  "published_at": "2018-06-05T20:29:00.293+00:00"
}