{
  "cveId": "CVE-2018-12327",
  "url": "https://patchblox.com/security/cve/CVE-2018-12327",
  "summary": "CVE-2018-12327 is fixed in 3 products on 1 platform, first by ntp 1:4.2.8p10\u002Bdfsg-5ubuntu7.3\u002Besm1, released June 20, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ntp: Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or...",
  "description": "Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or escalate to higher privileges via a long string as the argument for an IPv4 or IPv6 command-line parameter. NOTE: It is unclear whether there are any common situations in which ntpq or ntpdc is used with a command line from an untrusted source.",
  "published": "2018-06-20T07:29:00Z",
  "severity": "Negligible",
  "epss": 0.27514,
  "epssPercentile": 0.98085,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "ntp",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:4.2.8p10\u002Bdfsg-5ubuntu7.3\u002Besm1",
      "fix": "ntp 1:4.2.8p10\u002Bdfsg-5ubuntu7.3\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ntp-1-4.2.8p10-dfsg-5ubuntu7.3-esm1",
      "released": "2018-06-20T07:29:00Z"
    },
    {
      "platform": "linux",
      "product": "ntpdate",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:4.2.8p10\u002Bdfsg-5ubuntu7.3\u002Besm1",
      "fix": "ntpdate 1:4.2.8p10\u002Bdfsg-5ubuntu7.3\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ntpdate-1-4.2.8p10-dfsg-5ubuntu7.3-esm1",
      "released": "2018-06-20T07:29:00Z"
    },
    {
      "platform": "linux",
      "product": "sntp",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:4.2.8p10\u002Bdfsg-5ubuntu7.3\u002Besm1",
      "fix": "sntp 1:4.2.8p10\u002Bdfsg-5ubuntu7.3\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-sntp-1-4.2.8p10-dfsg-5ubuntu7.3-esm1",
      "released": "2018-06-20T07:29:00Z"
    }
  ],
  "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"
  }
}