---
id: CVE-2026-121410
title: FreeRDP before 3.32.2 Denial of Service via RDPGFX ALPHA WIRETOSURFACE_2
summary: >-
  FreeRDP before 3.32.2 contains a denial of service vulnerability in the RDPGFX
  ALPHA WIRETOSURFACE_2 handler that fails to validate zero surface dimensions.
  A malicious RDP server can send a crafted WIRETOSURFACE_2 PDU with zero width
  an…
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-369
vendor: FreeRDP
product: FreeRDP
affected:
  - FreeRDP < 3.32.2
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-07T02:53:23.686173Z'
exploitAvailable: true
published: '2026-11-03'
updated: '2026-11-07'
sourceUpdated: '2026-11-07T02:53:54.064Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121410'
references:
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-fqw6-jf2h-6fj6'
    label: GitHub Security Advisory (GHSA-fqw6-jf2h-6fj6)
  - url: >-
      https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-rdpgfx-alpha-wiretosurface-2
    label: >-
      VulnCheck Advisory: FreeRDP before 3.32.2 Denial of Service via RDPGFX
      ALPHA WIRETOSURFACE_2
tags:
  - cve.org
  - exploit-available
epss: 0.00234
epssPercentile: 0.14421
ingestedAt: '2026-11-05T19:30:42.964Z'
---

## Overview

FreeRDP before 3.32.2 contains a denial of service vulnerability in the RDPGFX ALPHA WIRETOSURFACE_2 handler that fails to validate zero surface dimensions. A malicious RDP server can send a crafted WIRETOSURFACE_2 PDU with zero width and height, triggering an assertion or division by zero that terminates the client session.

## Affected

- `FreeRDP < 3.32.2`

## Remediation

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