{
  "cveId": "CVE-2019-18634",
  "url": "https://patchblox.com/security/cve/CVE-2019-18634",
  "summary": "CVE-2019-18634 is fixed in 2 products on 1 platform, first by sudo 1.8.21p2-3ubuntu1.2, released January 30, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "sudo: The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permi...",
  "description": "The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are used for system management purposes, without having to log in as root.\n\nSecurity Fix(es):\n\n* sudo: Stack based buffer overflow when pwfeedback is enabled (CVE-2019-18634)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2020-01-30T16:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "epss": 0.19276,
  "epssPercentile": 0.97357,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "sudo",
      "release": "RHEL 8",
      "fixedVersion": "0:1.8.25p1-8.el8_1.1",
      "fix": "RHSA-2020:0487",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-0487",
      "released": "2020-02-14T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.8.21p2-3ubuntu1.2",
      "fix": "sudo 1.8.21p2-3ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-sudo-1.8.21p2-3ubuntu1.2",
      "released": "2020-01-30T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo",
      "release": "ol 8",
      "fixedVersion": "0:1.8.25p1-8.el8_1.1",
      "fix": "ELSA-2020-0487",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-0487",
      "released": "2020-02-13T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "sudo-ldap",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.8.21p2-3ubuntu1.2",
      "fix": "sudo-ldap 1.8.21p2-3ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-sudo-ldap-1.8.21p2-3ubuntu1.2",
      "released": "2020-01-30T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}