CVE-2022-39318

Division by zero in urbdrc channel in FreeRDP

Published Nov 16, 2022 CVSS 3.1 · 4.8 Medium EPSS 1.3% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3654-1 freerdp2 security update
Debian DLA Debian DLA DLA-4053-1 freerdp2 security update
EUVD EUVD EUVD-2022-41802 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.
Ubuntu USN Ubuntu USN USN-5734-1 FreeRDP vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.0011}

epss

{'score': 0.00101}

Type Values Removed Values Added
Metrics epss

{'score': 0.00175}

epss

{'score': 0.0011}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 3, 2025, 8:35 PM
Reserved
Sep 2, 2022, 12:00 AM
Status
Modified
Published
Nov 16, 2022, 9:15 PM
Modified
Jun 17, 2026, 4:58 AM
Severity
Low
Public date
Nov 16, 2022, 12:00 AM