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OpenAdvisories
Medium USN-5154-1 2 CVEs

freerdp2 vulnerabilities

Published Nov 23, 2021 · Updated Apr 27, 2026

Ecosystem: Ubuntu

Summary

It was discovered that FreeRDP incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code
or cause a crash. (CVE-2021-41159)

It was discovered that FreeRDP incorrectly handled certain connections.
An attacker could possibly use this issue to execute arbitrary code or
cause a crash. (CVE-2021-41160)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS freerdp2 2.2.0+dfsg1-0ubuntu0.18.04.2
Ubuntu · 20.04 LTS 20.04:LTS freerdp2 2.2.0+dfsg1-0ubuntu0.20.04.2

Vulnerabilities 2

  • Medium 5.8
    CVE-2021-41159

    Improper client input validation for FreeRDP gateway connections allows to overwrite memory

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. All FreeRDP clients prior to version 2.4.1 using gateway connections (`/gt:rpc`) fail to validate input data. A malicious gateway might allow client memo…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine
  • Medium 5.3
    CVE-2021-41160 Public exploit

    Improper region checks in FreeRDP allow out of bound write to memory

    FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a malicious server might trigger out of bound writes in a connected client. Connections using GDI or SurfaceCommands to send graphic…

    FreeRDP FreeRDP freerdp2 freerdp2 Debian Ubuntu Alpine

References

  • report
    https://ubuntu.com/security/CVE-2021-41159
  • report
    https://ubuntu.com/security/CVE-2021-41160