Remote Desktop Protocol Implementation Vulnerability in FreeRDP

CVE-2026-27951

What is CVE-2026-27951?

FreeRDP, an open-source implementation of the Remote Desktop Protocol, is susceptible to an endless blocking loop due to the improper management in the Stream_EnsureCapacity function. This vulnerability primarily affects client and server implementations operating on 32-bit systems, especially when the physical memory allocated is sufficient. If exploited, this flaw could potentially lead to application instability or denial of service. A patch was introduced in version 3.23.0, remedial action is essential for maintaining security and stability within affected environments.

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References