---
id: CVE-2026-121403
title: FreeRDP before 3.32.2 Denial of Service via Malformed Drive IRP
summary: >-
  FreeRDP before 3.32.2 contains a denial of service vulnerability where a
  malformed drive DEVICE_IOREQUEST with a truncated IRP_MJ_CREATE body silently
  kills the drive worker. A malicious RDP server can send such an IRP then post
  further …
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'
cvssSource: cna
cwe:
  - CWE-770
vendor: FreeRDP
product: FreeRDP
affected:
  - FreeRDP < 3.32.2
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T14:28:05.376Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121403'
references:
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5qqp-5ffm-m3p9'
    label: GitHub Security Advisory (GHSA-5qqp-5ffm-m3p9)
  - url: >-
      https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-malformed-drive-irp
    label: >-
      VulnCheck Advisory: FreeRDP before 3.32.2 Denial of Service via Malformed
      Drive IRP
tags:
  - cve.org
epss: 0.00234
epssPercentile: 0.1442
ingestedAt: '2026-11-05T19:30:42.964Z'
---

## Overview

FreeRDP before 3.32.2 contains a denial of service vulnerability where a malformed drive DEVICE_IOREQUEST with a truncated IRP_MJ_CREATE body silently kills the drive worker. A malicious RDP server can send such an IRP then post further requests that accumulate unbounded in the IrpQueue, exhausting memory and causing session availability loss.

## Affected

- `FreeRDP < 3.32.2`

## Remediation

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