{
  "cveId": "CVE-2016-4472",
  "url": "https://patchblox.com/security/cve/CVE-2016-4472",
  "summary": "CVE-2016-4472 is fixed in 4 products on 2 platforms, first by Python 3.6 3.6.2, released July 17, 2017. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Python 3.5 and 1 other: The overflow protection in Expat is removed by compilers with certain optimization settings, which allows\u2026",
  "description": "The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.",
  "published": "2016-05-17T17:00:00Z",
  "severity": "Medium",
  "cvss": 8.1,
  "epss": 0.11946,
  "epssPercentile": 0.96136,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2016-4472",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Python 3.5",
      "fixedVersion": "3.5.4",
      "fix": "Python 3.5 3.5.4",
      "url": "https://patchblox.com/security/fix/windows-app/python.python.3.5-3.5.4",
      "released": "2017-08-07T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Python 3.6",
      "fixedVersion": "3.6.2",
      "fix": "Python 3.6 3.6.2",
      "url": "https://patchblox.com/security/fix/windows-app/python.python.3.6-3.6.2",
      "released": "2017-07-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libxmltok1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.2-4ubuntu0.18.04.1~esm4",
      "fix": "libxmltok1 1.2-4ubuntu0.18.04.1~esm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libxmltok1-1.2-4ubuntu0.18.04.1-esm4",
      "released": "2022-01-10T06:12:00Z"
    },
    {
      "platform": "linux",
      "product": "libxmltok1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.2-4ubuntu0.20.04.1~esm4",
      "fix": "libxmltok1 1.2-4ubuntu0.20.04.1~esm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libxmltok1-1.2-4ubuntu0.20.04.1-esm4",
      "released": "2022-01-10T06:12:00Z"
    },
    {
      "platform": "linux",
      "product": "libxmltok1",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.2-4ubuntu0.22.04.1~esm4",
      "fix": "libxmltok1 1.2-4ubuntu0.22.04.1~esm4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libxmltok1-1.2-4ubuntu0.22.04.1-esm4",
      "released": "2022-01-10T06:12:00Z"
    },
    {
      "platform": "linux",
      "product": "libxmltok1t64",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.2-4.1ubuntu2.24.0.4.1\u002Besm2",
      "fix": "libxmltok1t64 1.2-4.1ubuntu2.24.0.4.1\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libxmltok1t64-1.2-4.1ubuntu2.24.0.4.1-esm2",
      "released": "2022-01-10T06:12:00Z"
    },
    {
      "platform": "linux",
      "product": "libxmltok1t64",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "1.2-4.1ubuntu3.1",
      "fix": "libxmltok1t64 1.2-4.1ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libxmltok1t64-1.2-4.1ubuntu3.1",
      "released": "2019-09-04T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}