---
id: CVE-2026-121386
title: FreeRDP before 3.32.2 Denial of Service via WinPR PNG/JPEG Image Readers
summary: >-
  FreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's
  winpr_read_png_from_buffer() and winpr_convert_from_jpeg(), which lack
  libpng/libjpeg error handling. A malicious RDP server or MITM can offer a
  malformed PNG or…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-248
vendor: FreeRDP
product: FreeRDP
affected:
  - FreeRDP < 3.32.2
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-11-07T02:46:59.497441Z'
exploitAvailable: true
published: '2026-11-03'
updated: '2026-11-07'
sourceUpdated: '2026-11-07T02:47:22.672Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121386'
references:
  - url: 'https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-799q-hjgw-g55g'
    label: GitHub Security Advisory (GHSA-799q-hjgw-g55g)
  - url: >-
      https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-winpr-png-jpeg-image-readers
    label: >-
      VulnCheck Advisory: FreeRDP before 3.32.2 Denial of Service via WinPR
      PNG/JPEG Image Readers
tags:
  - cve.org
  - exploit-available
epss: 0.00267
epssPercentile: 0.18946
ingestedAt: '2026-11-05T19:30:42.958Z'
---

## Overview

FreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's winpr_read_png_from_buffer() and winpr_convert_from_jpeg(), which lack libpng/libjpeg error handling. A malicious RDP server or MITM can offer a malformed PNG or truncated JPEG clipboard payload, causing the client to abort or exit.

## Affected

- `FreeRDP < 3.32.2`

## Remediation

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