{
  "cveId": "CVE-2020-26117",
  "url": "https://patchblox.com/security/cve/CVE-2020-26117",
  "summary": "CVE-2020-26117 is fixed in 12 products on 1 platform, first by tigervnc-common 1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2, released September 26, 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\nThe following packages have been upgraded to a later upstream version: tigervnc (1.11.0). (BZ#1880985)\n\nSecurity Fix(es):\n\n* tigervnc: certificate exceptions stored as authorities (CVE-2020-26117)\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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.",
  "published": "2020-09-26T21:15:00Z",
  "severity": "Moderate",
  "cvss": 8.1,
  "epss": 0.0306,
  "epssPercentile": 0.87683,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "RHEL 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "RHSA-2021:1783",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1783",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "ol 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "ELSA-2021-1783",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1783",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-common",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "fix": "tigervnc-common 1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tigervnc-common-1.10.1-dfsg-3ubuntu0.1-esm2",
      "released": "2020-09-26T21:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-icons",
      "release": "RHEL 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "RHSA-2021:1783",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1783",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-icons",
      "release": "ol 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "ELSA-2021-1783",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1783",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-license",
      "release": "RHEL 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "RHSA-2021:1783",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1783",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-license",
      "release": "ol 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "ELSA-2021-1783",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1783",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-scraping-server",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "fix": "tigervnc-scraping-server 1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tigervnc-scraping-server-1.10.1-dfsg-3ubuntu0.1-esm2",
      "released": "2020-09-26T21:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-selinux",
      "release": "RHEL 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "RHSA-2021:1783",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1783",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-selinux",
      "release": "ol 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "ELSA-2021-1783",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1783",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server",
      "release": "RHEL 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "RHSA-2021:1783",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1783",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server",
      "release": "ol 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "ELSA-2021-1783",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1783",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-minimal",
      "release": "RHEL 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "RHSA-2021:1783",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1783",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-minimal",
      "release": "ol 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "ELSA-2021-1783",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1783",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-module",
      "release": "RHEL 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "RHSA-2021:1783",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1783",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-server-module",
      "release": "ol 8",
      "fixedVersion": "0:1.11.0-6.el8",
      "fix": "ELSA-2021-1783",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1783",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-standalone-server",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "fix": "tigervnc-standalone-server 1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tigervnc-standalone-server-1.10.1-dfsg-3ubuntu0.1-esm2",
      "released": "2020-09-26T21:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-viewer",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "fix": "tigervnc-viewer 1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tigervnc-viewer-1.10.1-dfsg-3ubuntu0.1-esm2",
      "released": "2020-09-26T21:15:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-xorg-extension",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "fix": "tigervnc-xorg-extension 1.10.1\u002Bdfsg-3ubuntu0.1\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-tigervnc-xorg-extension-1.10.1-dfsg-3ubuntu0.1-esm2",
      "released": "2020-09-26T21:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}