CVE-2026-67296
Received Received - Intake

Denial of Service in FreeRDP via RDPEI Message Handling

Publication date: 2026-08-01

Last updated on: 2026-08-01

Assigner: VulnCheck

Description
FreeRDP before 3.29.0 contains a denial of service vulnerability in the RDPEI server channel handler that fails to validate maximum PDU body length before stream allocation. A malicious RDP client can send a header-only RDPEI message with a large declared body length to force excessive memory allocation on the server.

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Meta Information

Published
2026-08-01
Last Modified
2026-08-01
Generated
2026-08-01
AI Q&A
2026-08-01
EPSS Evaluated
N/A
NVD
CVE-2026-67296
EUVD
EUVD-2026-51844

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
freerdp freerdp to 3.29.0 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

FreeRDP before version 3.29.0 has a denial of service vulnerability in the RDPEI server channel handler. It fails to validate the maximum PDU body length before allocating memory. A malicious RDP client can exploit this by sending a header-only RDPEI message with a large declared body length, causing the server to allocate excessive memory and crash.

Impact Analysis

This vulnerability can cause a denial of service by crashing the FreeRDP server, leading to service unavailability. If you rely on FreeRDP for remote desktop access, this could disrupt your operations and require server restarts to restore functionality.

Mitigation Strategies

Upgrade FreeRDP to version 3.29.0 or later to address the denial of service vulnerability in the RDPEI server channel handler.

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