ubuntu-cve-2026-24678
Vulnerability from osv_ubuntu
Published
2026-02-09 19:15
Modified
2026-06-30 16:19
Summary
Details

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixed in 3.22.0.

Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "freerdp3-proxy",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "freerdp3-proxy-modules",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "freerdp3-sdl",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "freerdp3-shadow-x11",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "freerdp3-wayland",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "freerdp3-x11",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "libfreerdp-client3-3",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "libfreerdp-server-proxy3-3",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "libfreerdp-server3-3",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "libfreerdp-shadow-subsystem3-3",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "libfreerdp-shadow3-3",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "libfreerdp3-3",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "libwinpr-tools3-3",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "libwinpr3-3",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "winpr3-utils",
            "binary_version": "3.16.0+dfsg-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "freerdp3",
        "purl": "pkg:deb/ubuntu/freerdp3@3.16.0+dfsg-2ubuntu0.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.16.0+dfsg-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.14.0+dfsg-1ubuntu1",
        "3.15.0+dfsg-2.1",
        "3.16.0+dfsg-1ubuntu1",
        "3.16.0+dfsg-2"
      ]
    }
  ],
  "aliases": [],
  "details": "FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, A capture thread sends sample responses using a freed channel callback after a device channel close, leading to a use after free in ecam_channel_write. This vulnerability is fixed in 3.22.0.",
  "id": "UBUNTU-CVE-2026-24678",
  "modified": "2026-06-30T16:19:38Z",
  "published": "2026-02-09T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-24678"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-24678"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FreeRDP/FreeRDP/commit/f3ab1a16139036179d9852745fdade18fec11600"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8042-1"
    }
  ],
  "related": [
    "USN-8042-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-24678"
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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