{
  "cveId": "CVE-2016-10539",
  "url": "https://patchblox.com/security/cve/CVE-2016-10539",
  "summary": "CVE-2016-10539 is fixed in node-negotiator on 1 platform, first by node-negotiator 0.6.1-1, released May 31, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "node-negotiator: negotiator is an HTTP content negotiator for Node.js and is used by manymodules and frameworks including Express and Koa",
  "description": "negotiator is an HTTP content negotiator for Node.js and is used by manymodules and frameworks including Express and Koa. The header for\u0022Accept-Language\u0022, when parsed by negotiator 0.6.0 and earlier isvulnerable to Regular Expression Denial of Service via a specially craftedstring.",
  "published": "2018-05-31T13:29:00Z",
  "severity": "Medium",
  "epss": 0.01389,
  "epssPercentile": 0.7242,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "node-negotiator",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.6.1-1",
      "fix": "node-negotiator 0.6.1-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-node-negotiator-0.6.1-1",
      "released": "2019-12-20T05:15:00Z"
    },
    {
      "platform": "linux",
      "product": "node-negotiator",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.6.1-1",
      "fix": "node-negotiator 0.6.1-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-node-negotiator-0.6.1-1",
      "released": "2018-05-31T13:29:00Z"
    },
    {
      "platform": "linux",
      "product": "node-negotiator",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "0.6.1-1",
      "fix": "node-negotiator 0.6.1-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-node-negotiator-0.6.1-1",
      "released": "2026-01-16T01:42:22Z"
    },
    {
      "platform": "linux",
      "product": "node-negotiator",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "0.6.1-1",
      "fix": "node-negotiator 0.6.1-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-node-negotiator-0.6.1-1",
      "released": "2026-01-16T01:42:24Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}