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CVE-2026-22854

CRITICAL CVSS: 9.8 Published: 2026-01-14 Modified: 2026-06-17

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.

Affected Platforms

Freerdp Freerdp

Weakness Type

CWE-122

References