CVE-2026-23948

EUVD-2026-6482
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
freerdpfreerdp
𝑥
< 3.22.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
freerdp2
bookworm
no-dsa
bullseye
vulnerable
bullseye (security)
vulnerable
freerdp3
forky
3.26.0+dfsg-1
fixed
sid
3.26.0+dfsg-1
fixed
trixie
3.15.0+dfsg-2.1+deb13u3
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
freerdp
RHEL 8
2:2.11.7-6.el8_10
fixed
RHEL 8.2 AUS
2:2.0.0-46.rc4.el8_2.10
fixed
RHEL 8.4 AUS
2:2.2.0-12.el8_4
fixed
RHEL 8.6 AUS
2:2.2.0-7.el8_6.5
fixed
RHEL 8.6 E4S
2:2.2.0-7.el8_6.5
fixed
RHEL 8.6 TUS
2:2.2.0-7.el8_6.5
fixed
RHEL 8.8 E4S
2:2.2.0-12.el8_8.5
fixed
RHEL 8.8 TUS
2:2.2.0-12.el8_8.5
fixed
RHEL 9
2:2.11.7-1.el9_7.5
fixed
freerdp-devel
RHEL 8
2:2.11.7-6.el8_10
fixed
RHEL 9
2:2.11.7-1.el9_7.5
fixed
freerdp-libs
RHEL 8
2:2.11.7-6.el8_10
fixed
RHEL 8.2 AUS
2:2.0.0-46.rc4.el8_2.10
fixed
RHEL 8.4 AUS
2:2.2.0-12.el8_4
fixed
RHEL 8.6 AUS
2:2.2.0-7.el8_6.5
fixed
RHEL 8.6 E4S
2:2.2.0-7.el8_6.5
fixed
RHEL 8.6 TUS
2:2.2.0-7.el8_6.5
fixed
RHEL 8.8 E4S
2:2.2.0-12.el8_8.5
fixed
RHEL 8.8 TUS
2:2.2.0-12.el8_8.5
fixed
RHEL 9
2:2.11.7-1.el9_7.5
fixed
libwinpr
RHEL 8
2:2.11.7-6.el8_10
fixed
RHEL 8.2 AUS
2:2.0.0-46.rc4.el8_2.10
fixed
RHEL 8.4 AUS
2:2.2.0-12.el8_4
fixed
RHEL 8.6 AUS
2:2.2.0-7.el8_6.5
fixed
RHEL 8.6 E4S
2:2.2.0-7.el8_6.5
fixed
RHEL 8.6 TUS
2:2.2.0-7.el8_6.5
fixed
RHEL 8.8 E4S
2:2.2.0-12.el8_8.5
fixed
RHEL 8.8 TUS
2:2.2.0-12.el8_8.5
fixed
RHEL 9
2:2.11.7-1.el9_7.5
fixed
libwinpr-devel
RHEL 8
2:2.11.7-6.el8_10
fixed
RHEL 8.2 AUS
2:2.0.0-46.rc4.el8_2.10
fixed
RHEL 8.4 AUS
2:2.2.0-12.el8_4
fixed
RHEL 8.6 AUS
2:2.2.0-7.el8_6.5
fixed
RHEL 8.6 E4S
2:2.2.0-7.el8_6.5
fixed
RHEL 8.6 TUS
2:2.2.0-7.el8_6.5
fixed
RHEL 8.8 E4S
2:2.2.0-12.el8_8.5
fixed
RHEL 8.8 TUS
2:2.2.0-12.el8_8.5
fixed
RHEL 9
2:2.11.7-1.el9_7.5
fixed
Common Weakness Enumeration
References
https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5