{
  "cveId": "CVE-2020-11524",
  "url": "https://patchblox.com/security/cve/CVE-2020-11524",
  "summary": "CVE-2020-11524 is fixed in 17 products on 1 platform, first by RHSA-2020:2336, released May 28, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libwinpr-devel: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license",
  "description": "FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.\n\nSecurity Fix(es):\n\n* freerdp: Out-of-bounds write in planar.c (CVE-2020-11521)\n\n* freerdp: Integer overflow in region.c (CVE-2020-11523)\n\n* freerdp: Out-of-bounds write in interleaved.c (CVE-2020-11524)\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": "2020-05-15T10:15:00Z",
  "severity": "Important",
  "cvss": 9.8,
  "epss": 0.01838,
  "epssPercentile": 0.79092,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "RHEL 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "RHSA-2020:2336",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-2336",
      "released": "2020-05-28T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "ol 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "ELSA-2020-2336",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-2336",
      "released": "2020-06-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "RHEL 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "RHSA-2020:2336",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-2336",
      "released": "2020-05-28T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "ol 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "ELSA-2020-2336",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-2336",
      "released": "2020-06-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "RHEL 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "RHSA-2020:2336",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-2336",
      "released": "2020-05-28T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "ol 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "ELSA-2020-2336",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-2336",
      "released": "2020-06-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp2-shadow-x11",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "freerdp2-shadow-x11 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-freerdp2-shadow-x11-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp2-shadow-x11",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "freerdp2-shadow-x11 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-freerdp2-shadow-x11-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp2-wayland",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "freerdp2-wayland 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-freerdp2-wayland-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp2-wayland",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "freerdp2-wayland 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-freerdp2-wayland-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp2-x11",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "freerdp2-x11 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-freerdp2-x11-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp2-x11",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "freerdp2-x11 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-freerdp2-x11-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-client2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "libfreerdp-client2-2 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libfreerdp-client2-2-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-client2-2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "libfreerdp-client2-2 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libfreerdp-client2-2-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-server2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "libfreerdp-server2-2 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libfreerdp-server2-2-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-server2-2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "libfreerdp-server2-2 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libfreerdp-server2-2-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-shadow-subsystem2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "libfreerdp-shadow-subsystem2-2 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libfreerdp-shadow-subsystem2-2-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-shadow-subsystem2-2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "libfreerdp-shadow-subsystem2-2 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libfreerdp-shadow-subsystem2-2-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-shadow2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "libfreerdp-shadow2-2 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libfreerdp-shadow2-2-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-shadow2-2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "libfreerdp-shadow2-2 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libfreerdp-shadow2-2-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "libfreerdp2-2 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libfreerdp2-2-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp2-2",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "libfreerdp2-2 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libfreerdp2-2-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libuwac0-0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "libuwac0-0 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libuwac0-0-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libuwac0-0",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libuwac0-0-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "RHEL 8",
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      "fix": "RHSA-2020:2336",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-2336",
      "released": "2020-05-28T00:00:00Z"
    },
    {
      "platform": "linux",
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      "release": "ol 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "ELSA-2020-2336",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-2336",
      "released": "2020-06-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "RHEL 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "RHSA-2020:2336",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-2336",
      "released": "2020-05-28T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "ol 8",
      "fixedVersion": "2:2.0.0-46.rc4.el8_2.1",
      "fix": "ELSA-2020-2336",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-2336",
      "released": "2020-06-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-tools2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "libwinpr-tools2-2 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwinpr-tools2-2-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-tools2-2",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "fix": "libwinpr-tools2-2 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwinpr-tools2-2-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr2-2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
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      "fix": "libwinpr2-2 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwinpr2-2-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr2-2",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "fix": "libwinpr2-2 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwinpr2-2-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "winpr-utils",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "fix": "winpr-utils 2.1.1\u002Bdfsg1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-winpr-utils-2.1.1-dfsg1-0ubuntu0.18.04.1",
      "released": "2020-05-29T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "winpr-utils",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "fix": "winpr-utils 2.1.1\u002Bdfsg1-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-winpr-utils-2.1.1-dfsg1-0ubuntu0.20.04.1",
      "released": "2020-05-29T13:15:00Z"
    }
  ],
  "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"
  }
}