{
  "cveId": "CVE-2018-13259",
  "url": "https://patchblox.com/security/cve/CVE-2018-13259",
  "summary": "CVE-2018-13259 is fixed in 3 products on 1 platform, first by zsh 5.4.2-3ubuntu3.1, released September 4, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "zsh: An issue was discovered in zsh before 5.6",
  "description": "An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is a substring of the intended one.",
  "published": "2018-09-04T17:00:00Z",
  "severity": "Medium",
  "epss": 0.02723,
  "epssPercentile": 0.86133,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "zsh",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.4.2-3ubuntu3.1",
      "fix": "zsh 5.4.2-3ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-zsh-5.4.2-3ubuntu3.1",
      "released": "2018-09-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zsh-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.4.2-3ubuntu3.1",
      "fix": "zsh-common 5.4.2-3ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-zsh-common-5.4.2-3ubuntu3.1",
      "released": "2018-09-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "zsh-static",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.4.2-3ubuntu3.1",
      "fix": "zsh-static 5.4.2-3ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-zsh-static-5.4.2-3ubuntu3.1",
      "released": "2018-09-04T17:00:00Z"
    }
  ],
  "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"
  }
}