CVE-2026-44420

Published May 29th, 2026

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CVSS v3

8.8

HIGH

CVSS v2

N/A

Affected

PROJECT

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP client can trigger a heap-buffer-overflow write in FreeRDP's server-side clipboard (cliprdr) channel by sending a CB_CLIP_CAPS PDU with a too-small capabilitySetLength. This can crash the server process (remote DoS) and may be exploitable for code execution because it corrupts heap memory. This vulnerability is fixed in 3.26.0.

FreeRDP/FreeRDP

FreeRDP is a free remote desktop protocol library and clients

GitHub

13.3K