CVE-2026-22859 MEDIUM

CVE-2026-22859: FreeRDP has a heap-buffer-overflow in urb_select_configuration

Vendor Freerdp
Product FreeRDP
Weakness CWE-125
Published January 14, 2026
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

5.6/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 14, 2026 CVE published
June 30, 2026 Record updated