CVE-2026-27015

freerdp: FreeRDP: Denial of Service via missing bounds check in smartcard redirection

Loading…

Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · February 26, 2026

Updated · June 28, 2026

Description

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. A malicious Remote Desktop Protocol (RDP) server can exploit a missing bounds check vulnerability in the smartcard redirection feature. This can lead to a client crash, resulting in a Denial of Service (DoS) for the FreeRDP client when smartcard redirection is explicitly enabled.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')