{
  "cveId": "CVE-2019-7663",
  "url": "https://patchblox.com/security/cve/CVE-2019-7663",
  "summary": "CVE-2019-7663 is fixed in 4 products on 1 platform, first by libtiff-opengl 4.0.9-5ubuntu0.2, released February 8, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libtiff5: An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in L...",
  "description": "An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.",
  "published": "2019-02-08T16:00:00Z",
  "severity": "Medium",
  "epss": 0.03357,
  "epssPercentile": 0.88784,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libtiff-opengl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.0.9-5ubuntu0.2",
      "fix": "libtiff-opengl 4.0.9-5ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtiff-opengl-4.0.9-5ubuntu0.2",
      "released": "2019-02-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libtiff-tools",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.0.9-5ubuntu0.2",
      "fix": "libtiff-tools 4.0.9-5ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtiff-tools-4.0.9-5ubuntu0.2",
      "released": "2019-02-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libtiff5",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.0.9-5ubuntu0.2",
      "fix": "libtiff5 4.0.9-5ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtiff5-4.0.9-5ubuntu0.2",
      "released": "2019-02-08T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libtiffxx5",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "4.0.9-5ubuntu0.2",
      "fix": "libtiffxx5 4.0.9-5ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libtiffxx5-4.0.9-5ubuntu0.2",
      "released": "2019-02-08T16:00:00Z"
    }
  ],
  "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"
  }
}