Ubuntu 23.04 USN-6401-1 Critical FreeRDP Input Denial of Service

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) Summary: Several security issues were fixed in FreeRDP. Software Description: - freerdp2: RDP client for Windows Terminal Services Details: It was discovered that FreeRDP did not properly manage certain inputs. A malicious server could use this issue to cause FreeRDP clients to crash, resulting in a denial of service, or possibly obtain sensitive information. (cve-2023-39350, cve-2023-39351,  CVE-2023-39353, CVE-2023-39354, CVE-2023-40181, CVE-2023-40188, CVE-2023-40589) It was discovered that FreeRDP did not properly manage certain inputs. A malicious server could use this issue to cause FreeRDP clients to crash, resulting in a denial of service, or possibly execute arbitrary code. (cve-2023-40186 CVE-2023-40567, CVE-2023-40569)