{
  "cveId": "CVE-2026-27951",
  "url": "https://patchblox.com/security/cve/CVE-2026-27951",
  "summary": "CVE-2026-27951 is fixed in 23 products on 1 platform, first by DEBIAN-CVE-2026-27951, released February 25, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "freerdp3-shadow-x11: FreeRDP is a free implementation of the Remote Desktop Protocol",
  "description": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function \u0060Stream_EnsureCapacity\u0060 can create an endless blocking loop. This may affect all client and server implementations using \u0060FreeRDP\u0060. For practical exploitation this will only work on 32bit systems where the available physical memory is \u0060\u0026gt;= SIZE_MAX\u0060. Version 3.23.0 contains a patch. No known workarounds are available.",
  "published": "2026-02-25T14:16:00Z",
  "severity": "Medium",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00405,
  "epssPercentile": 0.3497,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "RHEL 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "RHSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-16019",
      "released": "2026-05-15T16:01:54Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "RHEL 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "RHSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19358",
      "released": "2026-05-15T16:04:04Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "almalinux 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ALSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "almalinux 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "ALSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19358",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "ol 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ELSA-2026-16019",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "ol 9",
      "fixedVersion": "2:2.11.7-1.el9_7.7",
      "fix": "ELSA-2026-16482",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16482",
      "released": "2026-05-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "rocky 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "RLSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-16019",
      "released": "2026-05-13T06:00:58Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "rocky 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "RLSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-19358",
      "released": "2026-05-28T15:43:06Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "sles 15.7",
      "fixedVersion": "3.10.3-150700.3.17.1",
      "fix": "SUSE-SU-2026:3562-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3562-1",
      "released": "2026-08-10T18:16:39Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "RHEL 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "RHSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-16019",
      "released": "2026-05-15T16:01:54Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "RHEL 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "RHSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19358",
      "released": "2026-05-15T16:04:04Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "almalinux 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ALSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "almalinux 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "ALSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19358",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "ol 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ELSA-2026-16019",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "ol 9",
      "fixedVersion": "2:2.11.7-1.el9_7.7",
      "fix": "ELSA-2026-16482",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16482",
      "released": "2026-05-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "RHEL 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "RHSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-16019",
      "released": "2026-05-15T16:01:54Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "RHEL 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "RHSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19358",
      "released": "2026-05-15T16:04:04Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "almalinux 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ALSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "almalinux 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "ALSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19358",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "ol 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ELSA-2026-16019",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "ol 9",
      "fixedVersion": "2:2.11.7-1.el9_7.7",
      "fix": "ELSA-2026-16482",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16482",
      "released": "2026-05-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-server",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-server-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3",
      "release": "Debian 14",
      "fixedVersion": "3.23.0\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-27951",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-27951",
      "released": "2026-02-25T22:16:27Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-shadow-x11",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "freerdp3-shadow-x11 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-freerdp3-shadow-x11-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-wayland",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "freerdp3-wayland 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-freerdp3-wayland-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-x11",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "freerdp3-x11 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
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      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-client3-3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "libfreerdp-client3-3 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libfreerdp-client3-3-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-server3-3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "libfreerdp-server3-3 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libfreerdp-server3-3-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-shadow-subsystem3-3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "libfreerdp-shadow-subsystem3-3 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libfreerdp-shadow-subsystem3-3-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-shadow3-3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "libfreerdp-shadow3-3 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libfreerdp-shadow3-3-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp3-3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "libfreerdp3-3 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libfreerdp3-3-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "RHEL 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "RHSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-16019",
      "released": "2026-05-15T16:01:54Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "RHEL 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "RHSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19358",
      "released": "2026-05-15T16:04:04Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "almalinux 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ALSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "almalinux 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "ALSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19358",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "ol 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ELSA-2026-16019",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
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    {
      "platform": "linux",
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      "fix": "ELSA-2026-16482",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16482",
      "released": "2026-05-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
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    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "RHEL 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "RHSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-16019",
      "released": "2026-05-15T16:01:54Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "RHEL 9",
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      "fix": "RHSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19358",
      "released": "2026-05-15T16:04:04Z"
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    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "almalinux 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ALSA-2026:16019",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
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    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "almalinux 9",
      "fixedVersion": "2:2.11.7-7.el9_8.3",
      "fix": "ALSA-2026:19358",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19358",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "amzn 2023",
      "fixedVersion": "2:3.6.3-1.amzn2023.0.7",
      "fix": "ALAS2023-2026-1512",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1512",
      "released": "2026-03-30T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "ol 8",
      "fixedVersion": "2:2.11.7-9.el8_10",
      "fix": "ELSA-2026-16019",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16019",
      "released": "2026-05-11T00:00:00Z"
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    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "ol 9",
      "fixedVersion": "2:2.11.7-1.el9_7.7",
      "fix": "ELSA-2026-16482",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-16482",
      "released": "2026-05-12T00:00:00Z"
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    {
      "platform": "linux",
      "product": "libwinpr-tools3-3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "libwinpr-tools3-3 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libwinpr-tools3-3-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr3-3",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "libwinpr3-3 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libwinpr3-3-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    },
    {
      "platform": "linux",
      "product": "winpr3-utils",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "fix": "winpr3-utils 3.30.0\u002Bdfsg-0ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-winpr3-utils-3.30.0-dfsg-0ubuntu0.24.04.1",
      "released": "2026-07-23T13:24:32Z"
    }
  ],
  "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"
  }
}