{
  "cveId": "CVE-2018-18557",
  "url": "https://patchblox.com/security/cve/CVE-2018-18557",
  "summary": "CVE-2018-18557 is fixed in 4 products on 1 platform, first by libtiff-opengl 4.0.9-5ubuntu0.1, released October 25, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libtiff5: LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4....",
  "description": "LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.",
  "published": "2018-10-21T17:00:00Z",
  "severity": "Medium",
  "epss": 0.1496,
  "epssPercentile": 0.9673,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libtiff-opengl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.0.9-5ubuntu0.1",
      "fix": "libtiff-opengl 4.0.9-5ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtiff-opengl-4.0.9-5ubuntu0.1",
      "released": "2018-10-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libtiff-tools",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.0.9-5ubuntu0.1",
      "fix": "libtiff-tools 4.0.9-5ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtiff-tools-4.0.9-5ubuntu0.1",
      "released": "2018-10-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libtiff5",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.0.9-5ubuntu0.1",
      "fix": "libtiff5 4.0.9-5ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtiff5-4.0.9-5ubuntu0.1",
      "released": "2018-10-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libtiffxx5",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.0.9-5ubuntu0.1",
      "fix": "libtiffxx5 4.0.9-5ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtiffxx5-4.0.9-5ubuntu0.1",
      "released": "2018-10-25T17:00:00Z"
    }
  ],
  "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"
  }
}