{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.17.5"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "da4d3c8a077cb20a85eb310ec680c3229773a85a"
            }
          ],
          "repo": "https://github.com/emqx/nanomq",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "NanoMQ 0.17.5 has a one-byte heap-based buffer over-read in the conn_handler function of mqtt_parser.c when it processes malformed messages.",
  "id": "CVE-2023-34488",
  "modified": "2026-03-13T21:54:18.285966924Z",
  "published": "2023-06-12T14:15:19.623Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/emqx/nanomq/issues/1181"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}