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CVE-2026-109254 Details

Description

FreeRDP 2.1.0 before 3.32.0 contains a use-after-free vulnerability in the static rdpsnd channel disconnect path, which frees audio formats and device without joining play_thread. A malicious RDP server can disconnect while asynchronous Wave2 playback processes queued PDUs, causing the client to read freed heap memory and crash.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vqxm-9w7c-hvvx	[email protected]	ExploitVendor Advisory
https://www.vulncheck.com/advisories/freerdp-2.1.0-before-3.32.0-use-after-free-via-rdpsnd-disconnect-path	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
freerdp freerdp	>= 2.1.0, < 3.32.0
CPE cpe:2.3:a:freerdp:freerdp:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Nov 2, 2026	Initial Analysis	[email protected]
Oct 13, 2026	CVE Modified	CISA-ADP
Oct 12, 2026	New CVE Received	[email protected]