{
  "cveId": "CVE-2019-6473",
  "url": "https://patchblox.com/security/cve/CVE-2019-6473",
  "summary": "CVE-2019-6473 is fixed in 5 products on 1 platform, first by kea-admin 1.1.0-1ubuntu0.1~esm1, released August 27, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "kea-dhcp6-server: An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the...",
  "description": "An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.",
  "published": "2019-08-27T17:00:00Z",
  "severity": "Medium",
  "epss": 0.01168,
  "epssPercentile": 0.67565,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "kea-admin",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.1.0-1ubuntu0.1~esm1",
      "fix": "kea-admin 1.1.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-kea-admin-1.1.0-1ubuntu0.1-esm1",
      "released": "2019-08-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kea-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.1.0-1ubuntu0.1~esm1",
      "fix": "kea-common 1.1.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-kea-common-1.1.0-1ubuntu0.1-esm1",
      "released": "2019-08-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kea-dhcp-ddns-server",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.1.0-1ubuntu0.1~esm1",
      "fix": "kea-dhcp-ddns-server 1.1.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-kea-dhcp-ddns-server-1.1.0-1ubuntu0.1-esm1",
      "released": "2019-08-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kea-dhcp4-server",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.1.0-1ubuntu0.1~esm1",
      "fix": "kea-dhcp4-server 1.1.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-kea-dhcp4-server-1.1.0-1ubuntu0.1-esm1",
      "released": "2019-08-27T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kea-dhcp6-server",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.1.0-1ubuntu0.1~esm1",
      "fix": "kea-dhcp6-server 1.1.0-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-kea-dhcp6-server-1.1.0-1ubuntu0.1-esm1",
      "released": "2019-08-27T17:00:00Z"
    }
  ],
  "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"
  }
}