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[USN-8561-2] FreeRDP regression

Posted on 28 July 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8561-2
July 28, 2026

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

- Ubuntu 26.04 LTS
- Ubuntu 24.04 LTS

Summary:

USN-8561-1 introduced a regression in FreeRDP

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

Details:

USN-8561-1 fixed vulnerabilities in FreeRDP. Unfortunately, the upgrade to
version 3.30.0 introduced a regression in the clipboard functionality. This
update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that FreeRDP contained multiple security issues. An
attacker could possibly use these issues to obtain sensitive information,
cause FreeRDP to crash, resulting in a denial of service, or execute
arbitrary code.

Update instructions:

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

Ubuntu 26.04 LTS
freerdp-x11 3.30.0+dfsg-0ubuntu0.26.04.2
freerdp3-x11 3.30.0+dfsg-0ubuntu0.26.04.2
libfreerdp3-3 3.30.0+dfsg-0ubuntu0.26.04.2

Ubuntu 24.04 LTS
freerdp3-x11 3.30.0+dfsg-0ubuntu0.24.04.2
libfreerdp3-3 3.30.0+dfsg-0ubuntu0.24.04.2
libwinpr-tools3-3 3.30.0+dfsg-0ubuntu0.24.04.2

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8561-2
https://ubuntu.com/security/notices/USN-8561-1
https://launchpad.net/bugs/2161573

Package Information:
https://launchpad.net/ubuntu/+source/freerdp3/3.30.0+dfsg-0ubuntu0.26.04.2
https://launchpad.net/ubuntu/+source/freerdp3/3.30.0+dfsg-0ubuntu0.24.04.2

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