{
  "cveId": "CVE-2026-22853",
  "url": "https://patchblox.com/security/cve/CVE-2026-22853",
  "summary": "CVE-2026-22853 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2026-22853, released January 14, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "freerdp: FreeRDP is a free implementation of the Remote Desktop Protocol",
  "description": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, RDPEAR\u2019s NDR array reader does not perform bounds checking on the on\u2011wire element count and can write past the heap buffer allocated from hints, causing a heap buffer overflow in ndr_read_uint8Array. This vulnerability is fixed in 3.20.1.",
  "published": "2026-01-14T10:16:00Z",
  "severity": "important",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00777,
  "epssPercentile": 0.56066,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "RHEL 10",
      "fixedVersion": "3.10.3-3.el10_0.2",
      "fix": "RHSA-2026:4121",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-4121",
      "released": "2026-02-09T18:17:27Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "almalinux 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ALSA-2026:3068",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "ol 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ELSA-2026-3068",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.22.0-160000.1.1",
      "fix": "OPENSUSE-SU-2026:20339-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20339-1",
      "released": "2026-03-10T12:34:56Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "rocky 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "RLSA-2026:3068",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-3068",
      "released": "2026-02-24T18:56:34Z"
    },
    {
      "platform": "linux",
      "product": "freerdp",
      "release": "sles 15.7",
      "fixedVersion": "3.10.3-150700.3.3.1",
      "fix": "SUSE-SU-2026:0345-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-0345-1",
      "released": "2026-01-30T07:18:43Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "almalinux 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ALSA-2026:3068",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-devel",
      "release": "ol 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ELSA-2026-3068",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "almalinux 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ALSA-2026:3068",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-libs",
      "release": "ol 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ELSA-2026-3068",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-server",
      "release": "almalinux 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ALSA-2026:3068",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp-server",
      "release": "ol 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ELSA-2026-3068",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.15.0\u002Bdfsg-2.1\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-22853",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-22853",
      "released": "2026-01-14T18:16:42Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3",
      "release": "Debian 14",
      "fixedVersion": "3.20.2\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-22853",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-22853",
      "released": "2026-01-14T18:16:42Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-proxy",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "freerdp3-proxy 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-freerdp3-proxy-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-proxy-modules",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "freerdp3-proxy-modules 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-freerdp3-proxy-modules-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-sdl",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "freerdp3-sdl 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-freerdp3-sdl-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-shadow-x11",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "freerdp3-shadow-x11 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-freerdp3-shadow-x11-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-wayland",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "freerdp3-wayland 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-freerdp3-wayland-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "freerdp3-x11",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "freerdp3-x11 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-freerdp3-x11-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-client3-3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "libfreerdp-client3-3 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libfreerdp-client3-3-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-server-proxy3-3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "libfreerdp-server-proxy3-3 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libfreerdp-server-proxy3-3-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-server3-3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "libfreerdp-server3-3 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libfreerdp-server3-3-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-shadow-subsystem3-3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "libfreerdp-shadow-subsystem3-3 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libfreerdp-shadow-subsystem3-3-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp-shadow3-3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "libfreerdp-shadow3-3 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libfreerdp-shadow3-3-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libfreerdp3-3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "libfreerdp3-3 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libfreerdp3-3-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "almalinux 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ALSA-2026:3068",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr",
      "release": "ol 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ELSA-2026-3068",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "almalinux 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ALSA-2026:3068",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-devel",
      "release": "ol 10",
      "fixedVersion": "2:3.10.3-5.el10_1.2",
      "fix": "ELSA-2026-3068",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-3068",
      "released": "2026-02-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr-tools3-3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "libwinpr-tools3-3 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libwinpr-tools3-3-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "libwinpr3-3",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "libwinpr3-3 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-libwinpr3-3-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    },
    {
      "platform": "linux",
      "product": "winpr3-utils",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.16.0\u002Bdfsg-2ubuntu0.3",
      "fix": "winpr3-utils 3.16.0\u002Bdfsg-2ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-winpr3-utils-3.16.0-dfsg-2ubuntu0.3",
      "released": "2026-02-25T14:16:00Z"
    }
  ],
  "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"
  }
}