CVE-2026-109948

MediumCVSS 4.3/10Last modified Oct 21, 2026

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 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
FreeRDP	FreeRDP	>= 3.0.0, < 3.32.0

References

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39Exploit, Vendor Advisory
https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-memory-disclosure-via-scardtransmit-smartcard-redirectionThird Party Advisory
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39Exploit, Vendor Advisory

Timeline

Published: Oct 13, 2026
Last modified: Oct 21, 2026
NVD status: Analyzed

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