CVE-2026-109948

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39	Exploit Vendor Advisory
https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-memory-disclosure-via-scardtransmit-smartcard-redirection	Third Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

History

21 Oct 2026, 15:00

Type	Values Removed	Values Added
CPE		cpe:2.3:a:freerdp:freerdp::::::::
First Time		Freerdp Freerdp freerdp
References	~~() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39 -~~	() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39 - Exploit, Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-memory-disclosure-via-scardtransmit-smartcard-redirection -~~	() https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-memory-disclosure-via-scardtransmit-smartcard-redirection - Third Party Advisory

14 Oct 2026, 14:17

Type	Values Removed	Values Added
References	~~() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39 -~~	() https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39 -

13 Oct 2026, 14:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 14:17

Updated : 2026-10-21 15:00

NVD link : CVE-2026-109948

Mitre link : CVE-2026-109948

CVE.ORG link : CVE-2026-109948

JSON object : View

Products Affected

freerdp

freerdp

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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