Issued at: 2026-10-06
Updated at: 2026-10-06
Advisory content derived from Red Hat RHSA-2026:75570, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: freerdp security update
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.
Security Fix(es):
* FreeRDP: freerdp-proxy: FreeRDP: Information disclosure via uninitialized heap memory in Save Session Info PDU (CVE-2026-85089)
* FreeRDP: FreeRDP: Denial of Service via crafted Surface Bits command (CVE-2026-91954)
* FreeRDP: FreeRDP: Remote code execution via heap buffer overflow in Server Redirection PDU (CVE-2026-91964)
* FreeRDP: FreeRDP: Information Disclosure via RDPGFX ResetGraphics PDU (CVE-2026-91946)
* FreeRDP: FreeRDP: Denial of Service via out-of-bounds read in URBDRC channel (CVE-2026-91956)
* FreeRDP: FreeRDP: Remote code execution via uninitialized heap memory disclosure (CVE-2026-91963)
* FreeRDP: FreeRDP: Use-after-free vulnerability in DRDYNVC parser leads to memory corruption (CVE-2026-91947)
* FreeRDP: FreeRDP: Denial of Service due to buffer over-read in RPC gateway (CVE-2026-91959)
* FreeRDP: FreeRDP: Out-of-bounds read leads to denial of service or information disclosure (CVE-2026-91950)
* FreeRDP: FreeRDP: Denial of Service via integer overflow and double free in WinPR (CVE-2026-91960)
* FreeRDP: FreeRDP: Heap buffer overflow via oversized LB_LOAD_BALANCE_INFO routing token can lead to heap corruption. (CVE-2026-91953)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.