CVE-2026-22854

Published January 14th, 2026

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CVSS v3

9.8

CRITICAL

CVSS v2

N/A

Affected

PROJECT

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap-buffer-overflow occurs in drive read when a server-controlled read length is used to read file data into an IRP output stream buffer without a hard upper bound, allowing an oversized read to overwrite heap memory. This vulnerability is fixed in 3.20.1.

FreeRDP/FreeRDP

FreeRDP is a free remote desktop protocol library and clients

GitHub

13.3K