{
  "cveId": "CVE-2018-1000544",
  "url": "https://patchblox.com/security/cve/CVE-2018-1000544",
  "summary": "CVE-2018-1000544 is fixed in ruby-zip on 1 platform by ruby-zip 1.2.1-1.1~build0.18.04.1 (version 1.2.1-1.1~build0.18.04.1), released June 26, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ruby-zip: rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component tha...",
  "description": "rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames \u0022../\u0022 to write arbitrary files to the filesystem..",
  "published": "2018-06-26T09:29:00Z",
  "severity": "Medium",
  "epss": 0.04339,
  "epssPercentile": 0.91264,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "ruby-zip",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.2.1-1.1~build0.18.04.1",
      "fix": "ruby-zip 1.2.1-1.1~build0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ruby-zip-1.2.1-1.1-build0.18.04.1",
      "released": "2018-06-26T09:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}