Vulnerability DatabaseCVE-2026-109948
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CVE-2026-109948
Published:October 13, 2026
Updated:October 15, 2026
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.
Affected Packages
https://github.com/FreeRDP/FreeRDP.git (GITHUB):
Affected version(s) >=3.31.0 <3.32.0
Fix Suggestion:
Update to version 3.32.0
Related Resources (4)
https://nvd.nist.gov/vuln/detail/CVE-2026-109948
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109948.json
https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-memory-disclosure-via-scardtransmit-smartcard-redirection
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f554-v4xw-5j39
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200
EPSS
Base Score:
0.24