---
id: CVE-2026-109679
title: >-
  FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in
  arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body
summary: >-
  FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in
  arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body.
  Attackers controlling the configured ARM gateway can return a zero-length body
  to pass NU…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T14:17:31.220'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109679'
references:
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qjwp-c855-hc69'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/freerdp-3.0.0-beta4-before-3.32.0-null-pointer-crash-via-arm-response
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-13T14:29:01.848Z'
---

## Overview

FreeRDP 3.0.0-beta4 before 3.32.0 contains a NULL pointer dereference in arm_handle_request_ok when an ARM endpoint returns an empty HTTP 200 body. Attackers controlling the configured ARM gateway can return a zero-length body to pass NULL to strnlen and crash the connecting client.

## Remediation

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