{
  "cveId": "CVE-2019-5739",
  "url": "https://patchblox.com/security/cve/CVE-2019-5739",
  "summary": "CVE-2019-5739 is fixed in Node.js 6 on 1 platform by Node.js 6 6.17.0 (version 6.17.0), released February 28, 2019. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Node.js 4 and 1 other: Uncontrolled Resource Consumption / Denial of Service",
  "description": "Keep-alive HTTP and HTTPS connections can remain open and inactive for up to 2 minutes in Node.js 6.16.0 and earlier. Node.js 8.0.0 introduced a dedicated server.keepAliveTimeout which defaults to 5 seconds. The behavior in Node.js 6.16.0 and earlier is a potential Denial of Service (DoS) attack vector. Node.js 6.17.0 introduces server.keepAliveTimeout and the 5-second default.",
  "published": "2019-03-28T17:29:01Z",
  "severity": "",
  "cvss": 7.5,
  "cwe": "CWE-400: Uncontrolled Resource Consumption / Denial of Service",
  "epss": 0.04929,
  "epssPercentile": 0.92185,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2019-5739",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Node.js 6",
      "fixedVersion": "6.17.0",
      "fix": "Node.js 6 6.17.0",
      "url": "https://patchblox.com/security/fix/windows-app/openjs.nodejs.6-6.17.0",
      "released": "2019-02-28T00:00:00Z"
    }
  ],
  "noFixYet": [
    {
      "platform": "Windows apps",
      "product": "Node.js 4",
      "status": "no-fix",
      "affectedVersion": "4.8.7"
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}