PT-2026-136162

CVE-2026-121405

Published

2026-11-03

Updated

2026-11-09

Description by

CVSS 4.0

5.3

Medium

MetricsAV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.32.2

Description An issue exists where the software fails to cap the OutputBufferLength in serial device-control IRP (I/O Request Packet) requests. A malicious server utilizing serial redirection can send an IRP MJ DEVICE CONTROL request with IOCTL USBPRINT GET 1284 ID and a near-maximum length, which triggers excessive memory allocation and can exhaust the client's memory.

Recommendations Update to version 3.32.2 or later.

Exploitability

Exploit

Fix

Impacts

Researchers

Kushalkhemka

Mayank-Jangid-Moon

Opensec-Intelligence

Vendors

Affected products

Weakness enumeration