{
  "cveId": "CVE-2023-5632",
  "url": "https://patchblox.com/security/cve/CVE-2023-5632",
  "summary": "CVE-2023-5632 is fixed in mosquitto on 1 platform, first by DEBIAN-CVE-2023-5632, released October 18, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "mosquitto: In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending dat...",
  "description": "In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6",
  "published": "2023-10-18T09:15:10Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00803,
  "epssPercentile": 0.56935,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mosquitto",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.0.7-1",
      "fix": "DEBIAN-CVE-2023-5632",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-5632",
      "released": "2023-10-18T09:15:10Z"
    },
    {
      "platform": "linux",
      "product": "mosquitto",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.0.7-1",
      "fix": "DEBIAN-CVE-2023-5632",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-5632",
      "released": "2023-10-18T09:15:10Z"
    },
    {
      "platform": "linux",
      "product": "mosquitto",
      "release": "Debian 14",
      "fixedVersion": "2.0.7-1",
      "fix": "DEBIAN-CVE-2023-5632",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-5632",
      "released": "2023-10-18T09:15:10Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}