{
  "cveId": "CVE-2019-15693",
  "url": "https://patchblox.com/security/cve/CVE-2019-15693",
  "summary": "CVE-2019-15693 is fixed in 7 products on 1 platform, first by RHSA-2020:1497, released April 16, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "tigervnc: Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment...",
  "description": "Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.\n\nSecurity Fix(es):\n\n* tigervnc: Stack use-after-return due to incorrect usage of stack memory in ZRLEDecoder (CVE-2019-15691)\n\n* tigervnc: Heap buffer overflow triggered from CopyRectDecoder due to incorrect value checks (CVE-2019-15692)\n\n* tigervnc: Heap buffer overflow in TightDecoder::FilterGradient (CVE-2019-15693)\n\n* tigervnc: Heap buffer overflow in DecodeManager::decodeRect (CVE-2019-15694)\n\n* tigervnc: Stack buffer overflow in CMsgReader::readSetCursor (CVE-2019-15695)\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": "2020-04-16T00:00:00Z",
  "severity": "Moderate",
  "cvss": 7.2,
  "epss": 0.04277,
  "epssPercentile": 0.91157,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "RHEL 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "RHSA-2020:1497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-1497",
      "released": "2020-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "ol 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "ELSA-2020-1497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1497",
      "released": "2020-04-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-icons",
      "release": "RHEL 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "RHSA-2020:1497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-1497",
      "released": "2020-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-icons",
      "release": "ol 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "ELSA-2020-1497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1497",
      "released": "2020-04-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-license",
      "release": "RHEL 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "RHSA-2020:1497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-1497",
      "released": "2020-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-license",
      "release": "ol 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "ELSA-2020-1497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1497",
      "released": "2020-04-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server",
      "release": "RHEL 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "RHSA-2020:1497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-1497",
      "released": "2020-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server",
      "release": "ol 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "ELSA-2020-1497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1497",
      "released": "2020-04-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-applet",
      "release": "RHEL 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "RHSA-2020:1497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-1497",
      "released": "2020-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-applet",
      "release": "ol 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "ELSA-2020-1497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1497",
      "released": "2020-04-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-minimal",
      "release": "RHEL 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "RHSA-2020:1497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-1497",
      "released": "2020-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-minimal",
      "release": "ol 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "ELSA-2020-1497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1497",
      "released": "2020-04-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-module",
      "release": "RHEL 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "RHSA-2020:1497",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-1497",
      "released": "2020-04-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-module",
      "release": "ol 8",
      "fixedVersion": "0:1.9.0-14.el8_1",
      "fix": "ELSA-2020-1497",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1497",
      "released": "2020-04-18T00:00:00Z"
    }
  ],
  "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"
  }
}