{
  "cveId": "CVE-2016-9401",
  "url": "https://patchblox.com/security/cve/CVE-2016-9401",
  "summary": "CVE-2016-9401 is fixed in 3 products on 1 platform, first by bash 4.4-5ubuntu1, released January 22, 2017. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "bash-static: popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.",
  "description": "popd in bash might allow local users to bypass the restricted shell and cause a use-after-free via a crafted address.",
  "published": "2017-01-22T16:00:00Z",
  "severity": "Negligible",
  "epss": 0.00421,
  "epssPercentile": 0.36648,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bash",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.4-5ubuntu1",
      "fix": "bash 4.4-5ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bash-4.4-5ubuntu1",
      "released": "2017-01-22T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bash-builtins",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.4-5ubuntu1",
      "fix": "bash-builtins 4.4-5ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bash-builtins-4.4-5ubuntu1",
      "released": "2017-01-22T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bash-static",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.4-5ubuntu1",
      "fix": "bash-static 4.4-5ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bash-static-4.4-5ubuntu1",
      "released": "2017-01-22T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}