CVE-2026-109938

6.5Medium

Published 13 Oct 2026 · NVD status: Undergoing Analysis · AI triage by gemini-3.8-flash

6.5Medium

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required
Impact: High impact on availability
Weakness: CWE-190

Impact

A malicious or compromised RDP server can crash FreeRDP clients, causing a denial of service. The attack requires a user to initiate a connection to the malicious server with video redirection turned on.

Root cause

An integer overflow occurs when handling positive mapped-video coordinate geometry updates, triggering a client abort.

Affected systems

FreeRDP 3.11.0 before 3.32.0

CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Fix & remediation

Upgrade FreeRDP to version 3.32.0 or newer. If you cannot patch immediately, disable video redirection in your client connection settings.

shell

$ sudo apt-get update && sudo apt-get install --only-upgrade freerdp2-x11

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Positive mapped-video coordinates overflow and abort FreeRDP clients A malicious or compromised RDP server can terminate a FreeRDP client after the user connects with video redirection enabled.

References

Source: nvd.nist.gov/vuln/detail/CVE-2026-109938