---
id: CVE-2026-121389
title: FreeRDP 3.27.0 before 3.32.2 Client DoS via RDPDR Device Announcement Logging
summary: >-
  FreeRDP from 3.27.0 before 3.32.2 contains a denial of service vulnerability
  in rdpdr_dump_packet that allows malicious RDP servers to abort clients by
  sending malformed RDPDR device-list announcements. Attackers can declare a
  DeviceData…
severity: low
cvss: 3.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-617
vendor: FreeRDP
product: FreeRDP
affected:
  - FreeRDP >= 3.27.0 < 3.32.2
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-03T16:00:43.724383Z'
exploitAvailable: true
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T16:01:08.967Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121389'
references:
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-66mr-7wc7-23vc'
    label: GitHub Security Advisory (GHSA-66mr-7wc7-23vc)
  - url: >-
      https://www.vulncheck.com/advisories/freerdp-3.27.0-before-3.32.2-client-dos-via-rdpdr-device-announcement-logging
    label: >-
      VulnCheck Advisory: FreeRDP 3.27.0 before 3.32.2 Client DoS via RDPDR
      Device Announcement Logging
tags:
  - cve.org
  - exploit-available
epss: 0.00307
epssPercentile: 0.2362
ingestedAt: '2026-11-05T20:33:06.277Z'
---

## Overview

FreeRDP from 3.27.0 before 3.32.2 contains a denial of service vulnerability in rdpdr_dump_packet that allows malicious RDP servers to abort clients by sending malformed RDPDR device-list announcements. Attackers can declare a DeviceDataLength exceeding the received packet, triggering a fatal Stream_Seek assertion when device redirection, TRACE logging, and WinPR assertions are enabled.

## Affected

- `FreeRDP >= 3.27.0 < 3.32.2`

## Remediation

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