Advisory Published

USN-4481-1: FreeRDP vulnerabilities

First published: Tue Sep 01 2020(Updated: )

It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libfreerdp-client2-2<2.2.0+dfsg1-0ubuntu0.20.04.1
2.2.0+dfsg1-0ubuntu0.20.04.1
=20.04
All of
ubuntu/libfreerdp-server2-2<2.2.0+dfsg1-0ubuntu0.20.04.1
2.2.0+dfsg1-0ubuntu0.20.04.1
=20.04
All of
ubuntu/libfreerdp2-2<2.2.0+dfsg1-0ubuntu0.20.04.1
2.2.0+dfsg1-0ubuntu0.20.04.1
=20.04
All of
ubuntu/libfreerdp-client2-2<2.2.0+dfsg1-0ubuntu0.18.04.1
2.2.0+dfsg1-0ubuntu0.18.04.1
=18.04
All of
ubuntu/libfreerdp-server2-2<2.2.0+dfsg1-0ubuntu0.18.04.1
2.2.0+dfsg1-0ubuntu0.18.04.1
=18.04
All of
ubuntu/libfreerdp2-2<2.2.0+dfsg1-0ubuntu0.18.04.1
2.2.0+dfsg1-0ubuntu0.18.04.1
=18.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is USN-4481-1?

    USN-4481-1 refers to a specific security advisory issued by Ubuntu which addresses vulnerabilities in FreeRDP.

  • What is FreeRDP?

    FreeRDP is an open-source implementation of the Remote Desktop Protocol (RDP), which allows users to connect to remote Windows systems and access graphical desktops.

  • What are the vulnerabilities addressed by USN-4481-1?

    USN-4481-1 addresses multiple vulnerabilities in FreeRDP, including CVE-2020-11095, CVE-2020-11096, and CVE-2020-11097.

  • What is the impact of these vulnerabilities?

    The vulnerabilities could allow a remote attacker to crash FreeRDP, resulting in a denial of service (DoS) or possibly execute arbitrary code on the affected system.

  • How can I fix the vulnerabilities?

    To mitigate the vulnerabilities, it is recommended to update FreeRDP to version 2.2.0+dfsg1-0ubuntu0.20.04.1 for Ubuntu 20.04 or 2.2.0+dfsg1-0ubuntu0.18.04.1 for Ubuntu 18.04, following the provided remedy instructions in the advisory.

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