{
  "cveId": "CVE-2019-20788",
  "url": "https://patchblox.com/security/cve/CVE-2019-20788",
  "summary": "CVE-2019-20788 is fixed in 5 products on 1 platform, first by RHSA-2020:0920, released March 23, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libvncserver: LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.\n\nSecurity Fix(e...",
  "description": "LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.\n\nSecurity Fix(es):\n\n* libvncserver: HandleCursorShape() integer overflow resulting in heap-based buffer overflow (CVE-2019-15690)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2020-03-23T00:00:00Z",
  "severity": "Important",
  "epss": 0.02497,
  "epssPercentile": 0.8478,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libvncclient1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.9.11\u002Bdfsg-1ubuntu1.2",
      "fix": "libvncclient1 0.9.11\u002Bdfsg-1ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libvncclient1-0.9.11-dfsg-1ubuntu1.2",
      "released": "2020-06-30T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libvncserver",
      "release": "RHEL 8",
      "fixedVersion": "0:0.9.11-9.el8_1.2",
      "fix": "RHSA-2020:0920",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-0920",
      "released": "2020-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libvncserver-config",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.9.11\u002Bdfsg-1ubuntu1.2",
      "fix": "libvncserver-config 0.9.11\u002Bdfsg-1ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libvncserver-config-0.9.11-dfsg-1ubuntu1.2",
      "released": "2020-06-30T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libvncserver-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:0.9.11-9.el8_1.2",
      "fix": "RHSA-2020:0920",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-0920",
      "released": "2020-03-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libvncserver1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.9.11\u002Bdfsg-1ubuntu1.2",
      "fix": "libvncserver1 0.9.11\u002Bdfsg-1ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libvncserver1-0.9.11-dfsg-1ubuntu1.2",
      "released": "2020-06-30T04:15:00Z"
    }
  ],
  "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"
  }
}