CVE-2026-23948
Fixed in a distro release EPSS <1%CVSS 6.9
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.
Products: FreeRDP
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 10 | freerdp | 2:3.10.3-5.el10_1.5 |
| AlmaLinux 10 | freerdp-devel | 2:3.10.3-5.el10_1.5 |
| AlmaLinux 10 | freerdp-libs | 2:3.10.3-5.el10_1.5 |
| AlmaLinux 10 | freerdp-server | 2:3.10.3-5.el10_1.5 |
| AlmaLinux 10 | libwinpr | 2:3.10.3-5.el10_1.5 |
| AlmaLinux 10 | libwinpr-devel | 2:3.10.3-5.el10_1.5 |
| AlmaLinux 8 | freerdp | 2:2.11.7-6.el8_10 |
| AlmaLinux 8 | freerdp-devel | 2:2.11.7-6.el8_10 |
| AlmaLinux 8 | freerdp-libs | 2:2.11.7-6.el8_10 |
| AlmaLinux 8 | libwinpr | 2:2.11.7-6.el8_10 |
| AlmaLinux 8 | libwinpr-devel | 2:2.11.7-6.el8_10 |
| AlmaLinux 9 | freerdp | 2:2.11.7-1.el9_7.5 |
| AlmaLinux 9 | freerdp-devel | 2:2.11.7-1.el9_7.5 |
| AlmaLinux 9 | freerdp-libs | 2:2.11.7-1.el9_7.5 |
| AlmaLinux 9 | libwinpr | 2:2.11.7-1.el9_7.5 |
| AlmaLinux 9 | libwinpr-devel | 2:2.11.7-1.el9_7.5 |
| Amazon Linux 2 | freerdp | 2:2.11.7-1.amzn2.0.5 |
| Amazon Linux 2 | freerdp-devel | 2:2.11.7-1.amzn2.0.5 |
| Amazon Linux 2 | freerdp-libs | 2:2.11.7-1.amzn2.0.5 |
| Amazon Linux 2 | libwinpr | 2:2.11.7-1.amzn2.0.5 |
| Amazon Linux 2 | libwinpr-devel | 2:2.11.7-1.amzn2.0.5 |
| Amazon Linux 2023 | freerdp | 2:3.6.3-1.amzn2023.0.4 |
| Amazon Linux 2023 | freerdp-devel | 2:3.6.3-1.amzn2023.0.4 |
| Amazon Linux 2023 | freerdp-libs | 2:3.6.3-1.amzn2023.0.4 |
| Amazon Linux 2023 | freerdp-server | 2:3.6.3-1.amzn2023.0.4 |
| Amazon Linux 2023 | libwinpr | 2:3.6.3-1.amzn2023.0.4 |
| Amazon Linux 2023 | libwinpr-devel | 2:3.6.3-1.amzn2023.0.4 |
| Debian 12 | freerdp2 | no fix |
| Debian 13 | freerdp3 | 3.15.0+dfsg-2.1+deb13u1 |
| Debian 14 | freerdp3 | 3.22.0+dfsg-1 |
| Red Hat Enterprise Linux 10.1 | freerdp | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | freerdp-debuginfo | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | freerdp-debugsource | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | freerdp-devel | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | freerdp-libs | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | freerdp-libs-debuginfo | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | freerdp-server | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | freerdp-server-debuginfo | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | libwinpr | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | libwinpr-debuginfo | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.1 | libwinpr-devel | 2:3.10.3-5.el10_1.5 |
| Red Hat Enterprise Linux 10.2 | freerdp | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | freerdp-debuginfo | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | freerdp-debugsource | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | freerdp-devel | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | freerdp-libs | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | freerdp-libs-debuginfo | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | freerdp-server | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | freerdp-server-debuginfo | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | libwinpr | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | libwinpr-debuginfo | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 10.2 | libwinpr-devel | 2:3.10.3-12.el10_2.2 |
| Red Hat Enterprise Linux 8 | freerdp | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 8 | freerdp-debuginfo | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 8 | freerdp-debugsource | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 8 | freerdp-devel | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 8 | freerdp-libs | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 8 | freerdp-libs-debuginfo | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 8 | libwinpr | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 8 | libwinpr-debuginfo | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 8 | libwinpr-devel | 2:2.11.7-6.el8_10 |
| Red Hat Enterprise Linux 9 | freerdp | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux 9 | freerdp-debuginfo | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux 9 | freerdp-debugsource | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux 9 | freerdp-devel | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux 9 | freerdp-libs | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux 9 | freerdp-libs-debuginfo | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux 9 | libwinpr | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux 9 | libwinpr-debuginfo | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux 9 | libwinpr-devel | 2:2.11.7-1.el9_7.5 |
| Red Hat Enterprise Linux eus 10.0 | freerdp | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | freerdp-debuginfo | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | freerdp-debugsource | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | freerdp-devel | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | freerdp-libs | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | freerdp-libs-debuginfo | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | freerdp-server | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | freerdp-server-debuginfo | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | libwinpr | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | libwinpr-debuginfo | 2:3.10.3-3.el10_0.5 |
| Red Hat Enterprise Linux eus 10.0 | libwinpr-devel | 2:3.10.3-3.el10_0.5 |
| Red Hat rhel aus 8.2 | freerdp | 2:2.0.0-46.rc4.el8_2.10 |
| Red Hat rhel aus 8.2 | freerdp-debuginfo | 2:2.0.0-46.rc4.el8_2.10 |
| Red Hat rhel aus 8.2 | freerdp-debugsource | 2:2.0.0-46.rc4.el8_2.10 |
| Red Hat rhel aus 8.2 | freerdp-libs | 2:2.0.0-46.rc4.el8_2.10 |
| Red Hat rhel aus 8.2 | freerdp-libs-debuginfo | 2:2.0.0-46.rc4.el8_2.10 |
| Red Hat rhel aus 8.2 | libwinpr | 2:2.0.0-46.rc4.el8_2.10 |
| Red Hat rhel aus 8.2 | libwinpr-debuginfo | 2:2.0.0-46.rc4.el8_2.10 |
| Red Hat rhel aus 8.2 | libwinpr-devel | 2:2.0.0-46.rc4.el8_2.10 |
| Red Hat rhel aus 8.4 | freerdp | 2:2.2.0-12.el8_4 |
| Red Hat rhel aus 8.4 | freerdp-debuginfo | 2:2.2.0-12.el8_4 |
| Red Hat rhel aus 8.4 | freerdp-debugsource | 2:2.2.0-12.el8_4 |
| Red Hat rhel aus 8.4 | freerdp-libs | 2:2.2.0-12.el8_4 |
| Red Hat rhel aus 8.4 | freerdp-libs-debuginfo | 2:2.2.0-12.el8_4 |
| Red Hat rhel aus 8.4 | libwinpr | 2:2.2.0-12.el8_4 |
| Red Hat rhel aus 8.4 | libwinpr-debuginfo | 2:2.2.0-12.el8_4 |
| Red Hat rhel aus 8.4 | libwinpr-devel | 2:2.2.0-12.el8_4 |
| Red Hat rhel aus 8.6 | freerdp | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel aus 8.6 | freerdp-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel aus 8.6 | freerdp-debugsource | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel aus 8.6 | freerdp-libs | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel aus 8.6 | freerdp-libs-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel aus 8.6 | libwinpr | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel aus 8.6 | libwinpr-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel aus 8.6 | libwinpr-devel | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.6 | freerdp | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.6 | freerdp-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.6 | freerdp-debugsource | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.6 | freerdp-libs | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.6 | freerdp-libs-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.6 | libwinpr | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.6 | libwinpr-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.6 | libwinpr-devel | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel e4s 8.8 | freerdp | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel e4s 8.8 | freerdp-debuginfo | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel e4s 8.8 | freerdp-debugsource | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel e4s 8.8 | freerdp-libs | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel e4s 8.8 | freerdp-libs-debuginfo | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel e4s 8.8 | libwinpr | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel e4s 8.8 | libwinpr-debuginfo | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel e4s 8.8 | libwinpr-devel | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel e4s 9.0 | freerdp | 2:2.4.1-3.el9_0.4 |
| Red Hat rhel e4s 9.0 | freerdp-debuginfo | 2:2.4.1-3.el9_0.4 |
| Red Hat rhel e4s 9.0 | freerdp-debugsource | 2:2.4.1-3.el9_0.4 |
| Red Hat rhel e4s 9.0 | freerdp-libs | 2:2.4.1-3.el9_0.4 |
| Red Hat rhel e4s 9.0 | freerdp-libs-debuginfo | 2:2.4.1-3.el9_0.4 |
| Red Hat rhel e4s 9.0 | libwinpr | 2:2.4.1-3.el9_0.4 |
| Red Hat rhel e4s 9.0 | libwinpr-debuginfo | 2:2.4.1-3.el9_0.4 |
| Red Hat rhel e4s 9.2 | freerdp | 2:2.4.1-6.el9_2.6 |
| Red Hat rhel e4s 9.2 | freerdp-debuginfo | 2:2.4.1-6.el9_2.6 |
| Red Hat rhel e4s 9.2 | freerdp-debugsource | 2:2.4.1-6.el9_2.6 |
| Red Hat rhel e4s 9.2 | freerdp-libs | 2:2.4.1-6.el9_2.6 |
| Red Hat rhel e4s 9.2 | freerdp-libs-debuginfo | 2:2.4.1-6.el9_2.6 |
| Red Hat rhel e4s 9.2 | libwinpr | 2:2.4.1-6.el9_2.6 |
| Red Hat rhel e4s 9.2 | libwinpr-debuginfo | 2:2.4.1-6.el9_2.6 |
| Red Hat rhel els 7 | freerdp | 0:2.1.1-5.el7_9.7 |
| Red Hat rhel els 7 | freerdp-debuginfo | 0:2.1.1-5.el7_9.7 |
| Red Hat rhel els 7 | freerdp-devel | 0:2.1.1-5.el7_9.7 |
| Red Hat rhel els 7 | freerdp-libs | 0:2.1.1-5.el7_9.7 |
| Red Hat rhel els 7 | libwinpr | 0:2.1.1-5.el7_9.7 |
| Red Hat rhel els 7 | libwinpr-devel | 0:2.1.1-5.el7_9.7 |
| Red Hat rhel eus 9.4 | freerdp | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.4 | freerdp-debuginfo | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.4 | freerdp-debugsource | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.4 | freerdp-devel | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.4 | freerdp-libs | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.4 | freerdp-libs-debuginfo | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.4 | libwinpr | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.4 | libwinpr-debuginfo | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.4 | libwinpr-devel | 2:2.11.2-1.el9_4.5 |
| Red Hat rhel eus 9.6 | freerdp | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus 9.6 | freerdp-debuginfo | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus 9.6 | freerdp-debugsource | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus 9.6 | freerdp-devel | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus 9.6 | freerdp-libs | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus 9.6 | freerdp-libs-debuginfo | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus 9.6 | libwinpr | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus 9.6 | libwinpr-debuginfo | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus 9.6 | libwinpr-devel | 2:2.11.7-1.el9_6.7 |
| Red Hat rhel eus long life 8.4 | freerdp | 2:2.2.0-12.el8_4 |
| Red Hat rhel eus long life 8.4 | freerdp-debuginfo | 2:2.2.0-12.el8_4 |
| Red Hat rhel eus long life 8.4 | freerdp-debugsource | 2:2.2.0-12.el8_4 |
| Red Hat rhel eus long life 8.4 | freerdp-libs | 2:2.2.0-12.el8_4 |
| Red Hat rhel eus long life 8.4 | freerdp-libs-debuginfo | 2:2.2.0-12.el8_4 |
| Red Hat rhel eus long life 8.4 | libwinpr | 2:2.2.0-12.el8_4 |
| Red Hat rhel eus long life 8.4 | libwinpr-debuginfo | 2:2.2.0-12.el8_4 |
| Red Hat rhel eus long life 8.4 | libwinpr-devel | 2:2.2.0-12.el8_4 |
| Red Hat rhel tus 8.6 | freerdp | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel tus 8.6 | freerdp-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel tus 8.6 | freerdp-debugsource | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel tus 8.6 | freerdp-libs | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel tus 8.6 | freerdp-libs-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel tus 8.6 | libwinpr | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel tus 8.6 | libwinpr-debuginfo | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel tus 8.6 | libwinpr-devel | 2:2.2.0-7.el8_6.5 |
| Red Hat rhel tus 8.8 | freerdp | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel tus 8.8 | freerdp-debuginfo | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel tus 8.8 | freerdp-debugsource | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel tus 8.8 | freerdp-libs | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel tus 8.8 | freerdp-libs-debuginfo | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel tus 8.8 | libwinpr | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel tus 8.8 | libwinpr-debuginfo | 2:2.2.0-12.el8_8.5 |
| Red Hat rhel tus 8.8 | libwinpr-devel | 2:2.2.0-12.el8_8.5 |
| Rocky Linux 10 | freerdp | 2:3.10.3-5.el10_1.5 |
| Rocky Linux 8 | freerdp | 2:2.11.7-6.el8_10 |
| Rocky Linux 9 | freerdp | 2:2.11.7-1.el9_7.5 |
| Ubuntu 16.04 LTS | freerdp | no fix |
| Ubuntu 18.04 LTS | freerdp | no fix |
| Ubuntu 22.04 LTS | freerdp2 | 2.6.1+dfsg1-3ubuntu2.10 |
| Ubuntu 24.04 LTS | freerdp3 | 3.5.1+dfsg1-0ubuntu1.2 |
| Ubuntu 25.10 | freerdp3 | 3.16.0+dfsg-2ubuntu0.1 |
| Ubuntu Pro 18.04 LTS | freerdp2 | 2.2.0+dfsg1-0ubuntu0.18.04.4+esm5 |
| Ubuntu Pro 20.04 LTS | freerdp2 | 2.6.1+dfsg1-0ubuntu0.20.04.2+esm3 |
| Ubuntu Pro 24.04 LTS | freerdp2 | 2.11.5+dfsg1-1ubuntu0.1~esm5 |
| openSUSE Leap 16.0 | freerdp | 3.22.0-160000.1.1 |
| openSUSE Tumbleweed | freerdp | 3.22.0-1.1 |