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.

INFO

Published Date :

2026-02-09T18:12:00.737Z

Last Modified :

2026-02-10T16:02:38.268Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-23948 vulnerability.

Vendors Products
Freerdp
  • Freerdp
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-23948.

URL Resource
https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860 cve-icon cve-icon cve-icon
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-23948 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-23948 cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact