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OpenAdvisories
Medium · 4.8 CVE-2022-39318 EUVD-2022-41802

Division by zero in urbdrc channel in FreeRDP

Published Nov 16, 2022 · Updated Nov 3, 2025 · Assigned by GitHub_M

Description

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with division by zero. This issue has been addressed in version 2.9.0. All users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

Affected products

VendorProductAffectedFixed
FreeRDP FreeRDP < 2.9.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 12 freerdp2 2.9.0+dfsg1-1 —
Debian 11 freerdp2 2.3.0+dfsg1-2+deb11u2 DLA-4053-1
Debian 10 freerdp2 2.3.0+dfsg1-2+deb10u4 DLA-3654-1
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS freerdp2 2.6.1+dfsg1-3ubuntu2.3 USN-5734-1
Ubuntu 20.04 LTS freerdp2 2.2.0+dfsg1-0ubuntu0.20.04.4 USN-5734-1
Ubuntu 18.04 LTS freerdp No fix yet —
Ubuntu 18.04 LTS freerdp2 2.2.0+dfsg1-0ubuntu0.18.04.4 USN-5734-1
Ubuntu 16.04 LTS freerdp No fix yet —
ReleasePackageFixed inAdvisory
RHEL 9 freerdp +4 2:2.4.1-5.el9 RHSA-2023:2326
RHEL 8 freerdp +4 2:2.2.0-10.el8 RHSA-2023:2851

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 9 freerdp +4 2:2.4.1-5.el9 ALSA-2023:2326
AlmaLinux 8 freerdp +4 2:2.2.0-10.el8 ALSA-2023:2851

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 freerdp 2:2.2.0-10.el8 RLSA-2023:2851
ReleasePackageFixed inAdvisory
SLES 15 SP4 freerdp 2.4.0-150400.3.12.1 SUSE-SU-2022:4224-1
SLES 15 SP3 freerdp 2.1.2-150200.15.24.1 SUSE-SU-2022:4292-1
SLES 12 SP5 freerdp 2.1.2-12.32.1 SUSE-SU-2022:4293-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.4 freerdp 2.4.0-150400.3.12.1 SUSE-SU-2022:4224-1
openSUSE Leap 15.3 freerdp 2.1.2-150200.15.24.1 SUSE-SU-2022:4292-1
ReleasePackageFixed inAdvisory
Alpine v3.24 freerdp +1 2.9.0-r0 —
Alpine v3.23 freerdp +1 2.9.0-r0 —
Alpine v3.22 freerdp +1 2.9.0-r0 —
Alpine v3.21 freerdp 2.9.0-r0 —
Alpine v3.20 freerdp 2.9.0-r0 —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Alpine v3.19 freerdp 2.9.0-r0 —
Alpine v3.18 freerdp 2.9.0-r0 —
Alpine v3.17 freerdp 2.9.0-r0 —

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 freerdp +4 2:2.2.0-10.amzn2.0.1 ALAS2-2023-1930

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 freerdp +4 2:2.4.1-5.el9 ELSA-2023-2326
Oracle Linux 8 freerdp +4 2:2.2.0-10.el8 ELSA-2023-2851

Advisories 15

References