CVE-2026-22859

CriticalCVSS 9.1/10Last modified Jul 15, 2026

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, the URBDRC client does not perform bounds checking on server‑supplied MSUSB_INTERFACE_DESCRIPTOR values and uses them as indices in libusb_udev_complete_msconfig_setup, causing an out‑of‑bounds read. This vulnerability is fixed in 3.20.1.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-125 CWE-129

Affected software

No affected versions have been published.

Timeline

Published: Jan 14, 2026
Last modified: Jul 15, 2026
NVD status: Modified

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