{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.17.2"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "c53e056b6957db8ccbfda154fd77a3fb85296bb7"
            }
          ],
          "repo": "https://github.com/emqx/nanomq",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "A memory leak vulnerability exists in NanoMQ 0.17.2. The vulnerability is located in the file message.c. An attacker could exploit this vulnerability to cause a denial of service attack by causing the program to consume all available memory resources.",
  "id": "CVE-2023-33656",
  "modified": "2026-03-13T21:54:18.529082080Z",
  "published": "2023-05-30T18:15:10.383Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://github.com/emqx/nanomq"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/emqx/nanomq/issues/1164"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/emqx/nanomq/issues/1165#issuecomment-1515667127"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}