{
  "cveId": "CVE-2019-16869",
  "url": "https://patchblox.com/security/cve/CVE-2019-16869",
  "summary": "CVE-2019-16869 is fixed in libnetty-3.9-java on 1 platform by libnetty-3.9-java 3.9.9.Final-1\u002Bdeb9u1build0.18.04.1 (version 3.9.9.Final-1\u002Bdeb9u1build0.18.04.1), released January 29, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libnetty-3.9-java: Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a \u0022Transfer-Encoding : chun...",
  "description": "Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a \u0022Transfer-Encoding : chunked\u0022 line), which leads to HTTP request smuggling.",
  "published": "2019-09-26T09:15:00Z",
  "severity": "Medium",
  "epss": 0.08645,
  "epssPercentile": 0.95143,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libnetty-3.9-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.9.9.Final-1\u002Bdeb9u1build0.18.04.1",
      "fix": "libnetty-3.9-java 3.9.9.Final-1\u002Bdeb9u1build0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnetty-3.9-java-3.9.9.final-1-deb9u1build0.18.04.1",
      "released": "2020-01-29T13:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}