[USN-7624-1] FreeRDP vulnerability

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Ubuntu Security Notice USN-7624-1
July 08, 2025

freerdp3 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.04 LTS

Summary:

FreeRDP could be made to crash if it received specially crafted network
traffic.

Software Description:
- freerdp3: RDP client for Windows Terminal Services

Details:

It was discovered that FreeRDP incorrectly handled certain RDP packets. A
remote attacker could possibly use this issue to cause FreeRDP to crash,
resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
libfreerdp3-3 3.14.0+dfsg-1ubuntu1.1

Ubuntu 24.04 LTS
libfreerdp3-3 3.5.1+dfsg1-0ubuntu1.1

After a standard system update you need to restart your session to make all
the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7624-1
CVE-2025-4478

Package Information:
https://launchpad.net/ubuntu/+source/freerdp3/3.14.0+dfsg-1ubuntu1.1
https://launchpad.net/ubuntu/+source/freerdp3/3.5.1+dfsg1-0ubuntu1.1