{
  "cveId": "CVE-2017-17522",
  "url": "https://patchblox.com/security/cve/CVE-2017-17522",
  "summary": "CVE-2017-17522 is fixed in Python 3.6 on 1 platform by Python 3.6 3.6.4 (version 3.6.4), released December 18, 2017. 2 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Python 3.5 and 2 others: Lib/webbrowser.py in Python through 3.6.3 does not validate strings before launching the program specified\u2026",
  "description": "Lib/webbrowser.py in Python through 3.6.3 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL. NOTE: a software maintainer indicates that exploitation is impossible because the code relies on subprocess.Popen and the default shell=False setting",
  "published": "2017-12-14T16:29:00Z",
  "severity": "",
  "cvss": 8.8,
  "epss": 0.03595,
  "epssPercentile": 0.89496,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2017-17522",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Python 3.6",
      "fixedVersion": "3.6.4",
      "fix": "Python 3.6 3.6.4",
      "url": "https://patchblox.com/security/fix/windows-app/python.python.3.6-3.6.4",
      "released": "2017-12-18T00:00:00Z"
    }
  ],
  "noFixYet": [
    {
      "platform": "Windows apps",
      "product": "Python 2",
      "status": "no-fix",
      "affectedVersion": "2.7.18150"
    },
    {
      "platform": "Windows apps",
      "product": "Python 3.5",
      "status": "no-fix",
      "affectedVersion": "3.5.4"
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}