---
id: CVE-2026-24678
title: FreeRDP is a free implementation of the Remote Desktop Protocol
summary: >-
  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. Thi…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-416
  - CWE-825
vendor: freerdp
product: freerdp
affected:
  - freerdp < 3.22.0
patched:
  - freerdp 3.22.0
published: '2026-02-09'
updated: '2026-06-30'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-24678'
references:
  - url: >-
      https://github.com/FreeRDP/FreeRDP/commit/f3ab1a16139036179d9852745fdade18fec11600
    label: security-advisories@github.com
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6gvg-29wx-6v7h'
    label: security-advisories@github.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:19033'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:3068'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:4121'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/security/cve/CVE-2026-24678'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2438197'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24678.json
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
tags:
  - nvd
epss: 0.00652
epssPercentile: 0.49098
ingestedAt: '2026-07-03T18:53:52.182Z'
---

## Overview

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.

## Affected

- `freerdp < 3.22.0`

## Remediation

Upgrade past the affected range:

- `freerdp 3.22.0`