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CVE-2026-109948 Details

Description

FreeRDP from 3.0.0 before 3.32.0 contains an uninitialized memory disclosure vulnerability in smartcard_Transmit_Call that allows malicious RDP servers to read client memory. Servers can send SCardTransmit requests with an invalid card handle and nonzero receive length, causing smartcard_pack_transmit_return to serialize up to 66,560 uninitialized heap bytes.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39	CISA-ADP	ExploitVendor Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39	[email protected]	ExploitVendor Advisory
https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-memory-disclosure-via-scardtransmit-smartcard-redirection	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-200	Exposure of Sensitive Information to an Unauthorized Actor	[email protected]

Affected Products

Product	Versions
freerdp freerdp	>= 3.0.0, < 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
Oct 21, 2026	Initial Analysis	[email protected]
Oct 14, 2026	CVE Modified	CISA-ADP
Oct 13, 2026	New CVE Received	[email protected]