{
  "cveId": "CVE-2018-6557",
  "url": "https://patchblox.com/security/cve/CVE-2018-6557",
  "summary": "CVE-2018-6557 is fixed in base-files on 1 platform by base-files 10.1ubuntu2.2 (version 10.1ubuntu2.2), released August 20, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "base-files: The MOTD update script in the base-files package in Ubuntu 18.04 LTS before 10.1ubuntu2.2, and Ubuntu 18.10 before 10...",
  "description": "The MOTD update script in the base-files package in Ubuntu 18.04 LTS before 10.1ubuntu2.2, and Ubuntu 18.10 before 10.1ubuntu6 incorrectly handled temporary files. A local attacker could use this issue to cause a denial of service, or possibly escalate privileges if kernel symlink restrictions were disabled.",
  "published": "2018-08-20T17:00:00Z",
  "severity": "Low",
  "epss": 0.00373,
  "epssPercentile": 0.31358,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "base-files",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "10.1ubuntu2.2",
      "fix": "base-files 10.1ubuntu2.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-base-files-10.1ubuntu2.2",
      "released": "2018-08-20T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}