{
  "cveId": "CVE-2017-12165",
  "url": "https://patchblox.com/security/cve/CVE-2017-12165",
  "summary": "CVE-2017-12165 is fixed in libundertow-java on 1 platform by libundertow-java 2.0.23-1 (version 2.0.23-1), released July 25, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libundertow-java: It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespac...",
  "description": "It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.",
  "published": "2018-07-27T08:29:00Z",
  "severity": "Medium",
  "epss": 0.01858,
  "epssPercentile": 0.79341,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libundertow-java",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.0.23-1",
      "fix": "libundertow-java 2.0.23-1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libundertow-java-2.0.23-1",
      "released": "2019-07-25T14:15:00Z"
    }
  ],
  "noFixYet": [],
  "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"
  }
}