{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:emqx:nanomq:0.21.10:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0.21.10"
              },
              {
                "last_affected": "0.21.10"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "236c9c54b9b97642a4d759502745a7217c8edf6c"
            },
            {
              "last_affected": "236c9c54b9b97642a4d759502745a7217c8edf6c"
            }
          ],
          "repo": "https://github.com/nanomq/nanomq",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.21.10"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42646.json"
  },
  "details": "A segmentation fault in NanoMQ v0.21.10 allows attackers to cause a Denial of Service (DoS) via crafted messages.",
  "id": "CVE-2024-42646",
  "modified": "2026-07-15T01:49:17.144118750Z",
  "published": "2025-07-14T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/songxpu/bug_report/blob/master/MQTT/NanoMQ/CVE-2024-42646.md"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42646.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42646"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nanomq/nanomq"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}