CVE-2026-109240

freerdp: freerdp: Denial of Service via unvalidated buffer size in USB redirection

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Severity

Low

Red Hat Product Security

3.1

CVSS 3.1

Review impact separately from score.

Published · October 13, 2026

Updated · October 14, 2026

Description

A flaw was found in FreeRDP. A malicious Remote Desktop Protocol (RDP) server can cause a Denial of Service (DoS) by sending a specially crafted request with an unvalidated buffer size over the USB redirection channel. This missing bounds check triggers an internal assertion failure that immediately crashes the client application.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

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

CWE-617 · Reachable Assertion