CVE-2026-109248

freerdp: freerdp: Denial of Service via heap out-of-bounds read in clipboard handling

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Severity

Moderate

Red Hat Product Security

6.5

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 trigger a heap out-of-bounds read by returning a specially crafted response during clipboard operations. When a user attempts to paste files copied from the remote session into a local application, improper handling of the received file descriptor data can cause the client application to crash, resulting in a Denial of Service (DoS).

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

CWE-125 · Out-of-bounds Read