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Affected Component
Analysis
freerdp
Exploitable
Name
CVE-2026-23948
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.
CWEs
Published Date
Updated Date
Workaround
-
Analysis#
Vulnerability Ratings#
6.9
CVSSv4
7.5
CVSSv31
NaN
other
Others affected components#
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