{
  "cveId": "CVE-2021-4011",
  "url": "https://patchblox.com/security/cve/CVE-2021-4011",
  "summary": "CVE-2021-4011 is fixed in 36 products on 1 platform, first by xdmx 2:1.19.6-1ubuntu4.10, released December 14, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "xorg-x11-server-common: X.Org is an open-source implementation of the X Window System",
  "description": "X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.\n\nXwayland is an X server for running X clients under Wayland.\n\nThe following packages have been upgraded to a later upstream version: xorg-x11-server-Xwayland (21.1.3). (BZ#2015842)\n\nSecurity Fix(es):\n\n* xorg-x11-server: SProcRenderCompositeGlyphs out-of-bounds access (CVE-2021-4008)\n\n* xorg-x11-server: SProcXFixesCreatePointerBarrier out-of-bounds access (CVE-2021-4009)\n\n* xorg-x11-server: SProcScreenSaverSuspend out-of-bounds access (CVE-2021-4010)\n\n* xorg-x11-server: SwapCreateRegister out-of-bounds access (CVE-2021-4011)\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 8.6 Release Notes linked from the References section.",
  "published": "2021-12-14T04:00:00Z",
  "severity": "Moderate",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00608,
  "epssPercentile": 0.49368,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "xdmx",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.19.6-1ubuntu4.10",
      "fix": "xdmx 2:1.19.6-1ubuntu4.10",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xdmx-2-1.19.6-1ubuntu4.10",
      "released": "2021-12-14T04:00:00Z"
    },
    {
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      "product": "xdmx",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.20.13-1ubuntu1~20.04.2",
      "fix": "xdmx 2:1.20.13-1ubuntu1~20.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-xdmx-2-1.20.13-1ubuntu1-20.04.2",
      "released": "2021-12-14T04:00:00Z"
    },
    {
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      "product": "xdmx",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:1.20.13-1ubuntu2",
      "fix": "xdmx 2:1.20.13-1ubuntu2",
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      "released": "2021-12-14T04:00:00Z"
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    {
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      "product": "xdmx-tools",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.19.6-1ubuntu4.10",
      "fix": "xdmx-tools 2:1.19.6-1ubuntu4.10",
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      "released": "2021-12-14T04:00:00Z"
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      "product": "xdmx-tools",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "released": "2021-12-14T04:00:00Z"
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      "product": "xdmx-tools",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
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