{
  "cveId": "CVE-2019-17455",
  "url": "https://patchblox.com/security/cve/CVE-2019-17455",
  "summary": "CVE-2019-17455 is fixed in libntlm0 on 1 platform, first by libntlm0 1.4-8ubuntu0.1, released October 10, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libntlm0: Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthRes...",
  "description": "Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.",
  "published": "2019-10-10T11:15:00Z",
  "severity": "Medium",
  "epss": 0.03107,
  "epssPercentile": 0.87836,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libntlm0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.4-8ubuntu0.1",
      "fix": "libntlm0 1.4-8ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libntlm0-1.4-8ubuntu0.1",
      "released": "2019-10-10T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libntlm0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.5-2ubuntu0.1",
      "fix": "libntlm0 1.5-2ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libntlm0-1.5-2ubuntu0.1",
      "released": "2019-10-10T11:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}