Logo
vulnerabilityCVE-2026-23948
Name
CVE-2026-23948
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
freerdp3
Patched
freerdp
Exploitable

Vulnerability Ratings#


6.9
CVSSv4
7.5
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.11.8
Patched
buildroot
master
2.11.8
Patched
yocto
kirkstone
2.6.1
Exploitable
yocto
master
2.11.8
Exploitable
yocto
master
3.26.0
Not Affected

Resolved with patches#


freerdp (buildroot:2025.02.x)

#
Title
Author
Resolve
1
[core,info] fix missing NULL check
akallabeth <akallabeth@posteo.net>
CVE-2026-23948

freerdp (buildroot:master)

#
Title
Author
Resolve
1
[core,info] fix missing NULL check
akallabeth <akallabeth@posteo.net>
CVE-2026-23948

freerdp3 (yocto:scarthgap)

#
Title
Author
Resolve
1
[core,info] fix missing NULL check
akallabeth <akallabeth@posteo.net>
CVE-2026-23948