---
id: CVE-2026-110829
title: >-
  FreeRDP versions from 3.0.0 before 3.32.0 contain a null pointer dereference
  in the rdpsnd channel when a fragment sets CHANNEL_FLAG_LAST without
  CHANNEL_FLAG_FIRST
summary: >-
  FreeRDP versions from 3.0.0 before 3.32.0 contain a null pointer dereference
  in the rdpsnd channel when a fragment sets CHANNEL_FLAG_LAST without
  CHANNEL_FLAG_FIRST. A malicious RDP server can send a malformed rdpsnd PDU on
  a fresh chann…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T23:17:22.597'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-110829'
references:
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3mq5-xh88-9v62'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-null-pointer-dereference-via-rdpsnd-fragment
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-15T00:02:07.170Z'
---

## Overview

FreeRDP versions from 3.0.0 before 3.32.0 contain a null pointer dereference in the rdpsnd channel when a fragment sets CHANNEL_FLAG_LAST without CHANNEL_FLAG_FIRST. A malicious RDP server can send a malformed rdpsnd PDU on a fresh channel to crash the client and cause denial of service.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.