CVE-2026-109241

freerdp: freerdp: Denial of Service via NULL pointer dereference in video redirection channel

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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 server can cause a Denial of Service (DoS) by triggering a NULL pointer dereference in the client video redirection channel. By sending messages out of sequence, specifically clearing geometry data before transmitting video data, the server causes the client to access an invalid memory address and crash.

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-476 · NULL Pointer Dereference