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CVE-2026-22856

HIGH CVSS: 8.1 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 race in the serial channel IRP thread tracking allows a heap use‑after‑free when one thread removes an entry from serial->IrpThreads while another reads it. This vulnerability is fixed in 3.20.1.

Affected Platforms

Freerdp Freerdp

Weakness Type

CWE-362, CWE-416

References