{
  "cveId": "CVE-2020-11612",
  "url": "https://patchblox.com/security/cve/CVE-2020-11612",
  "summary": "CVE-2020-11612 is fixed in libnetty-java on 1 platform, first by libnetty-java 1:4.1.7-4ubuntu0.1, released April 7, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libnetty-java: The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte...",
  "description": "The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.",
  "published": "2020-04-07T11:15:00Z",
  "severity": "Medium",
  "epss": 0.09188,
  "epssPercentile": 0.95362,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libnetty-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:4.1.7-4ubuntu0.1",
      "fix": "libnetty-java 1:4.1.7-4ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libnetty-java-1-4.1.7-4ubuntu0.1",
      "released": "2020-04-07T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libnetty-java",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:4.1.45-1ubuntu0.1~esm1",
      "fix": "libnetty-java 1:4.1.45-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libnetty-java-1-4.1.45-1ubuntu0.1-esm1",
      "released": "2022-12-12T23:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}