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CVE-2026-22856

Published: Jan 14, 2026

Modified: Feb 26, 2026

PUBLISHED

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.

Vendor	Product	Versions
FreeRDP	FreeRDP	affected `< 3.20.1`

Weaknesses (CWE)

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-w842-c386-fxhv

x_refsource_CONFIRM

https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1

x_refsource_MISC

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