CVE-2026-23948

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability is fixed in 3.22.0.

Vulnerability Details

Published Date

February 09, 2026

Last Modified

February 10, 2026

CWE ID

CWE-476

Source

NVD

Vendor

FreeRDP

Product

FreeRDP

External References

https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5

CVE-2026-23948

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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