{
  "cveId": "CVE-2018-12115",
  "url": "https://patchblox.com/security/cve/CVE-2018-12115",
  "summary": "CVE-2018-12115 is fixed in 2 products on 2 platforms, first by Node.js 6 6.17.0, released February 28, 2019. 2 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Node.js 4 and 2 others: Out-of-bounds Write",
  "description": "In all versions of Node.js prior to 6.14.4, 8.11.4 and 10.9.0 when used with UCS-2 encoding (recognized by Node.js under the names \u0060\u0027ucs2\u0027\u0060, \u0060\u0027ucs-2\u0027\u0060, \u0060\u0027utf16le\u0027\u0060 and \u0060\u0027utf-16le\u0027\u0060), \u0060Buffer#write()\u0060 can be abused to write outside of the bounds of a single \u0060Buffer\u0060. Writes that start from the second-to-last position of a buffer cause a miscalculation of the maximum length of the input bytes to be written.",
  "published": "2018-08-21T05:29:00Z",
  "severity": "Medium",
  "cvss": 7.5,
  "cwe": "CWE-787: Out-of-bounds Write",
  "epss": 0.07779,
  "epssPercentile": 0.94682,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2018-12115",
  "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"
    },
    {
      "platform": "linux",
      "product": "nodejs",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "8.10.0~dfsg-2ubuntu0.4\u002Besm1",
      "fix": "nodejs 8.10.0~dfsg-2ubuntu0.4\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-nodejs-8.10.0-dfsg-2ubuntu0.4-esm1",
      "released": "2019-03-28T10:29:00Z"
    }
  ],
  "noFixYet": [
    {
      "platform": "Windows apps",
      "product": "Node.js 4",
      "status": "no-fix",
      "affectedVersion": "4.8.7"
    },
    {
      "platform": "Windows apps",
      "product": "Node.js 8",
      "status": "no-fix",
      "affectedVersion": "8.11.3"
    }
  ],
  "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"
  }
}