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EUVD-2026-371594

fkie_cve-2026-91954

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when processing Surface Bits commands with NSCodec codec ID. A malicious RDP server can crash a FreeRDP client by sending a crafted Surface Bits command claiming to use NSCodec, even when the codec is disabled.

GHSA-32wp-qph9-89pm

RHSA-2026:75570 — Red Hat Security Advisory: freerdp security update

FreeRDP: freerdp-proxy: FreeRDP: Information disclosure via uninitialized heap memory in Save Session Info PDU FreeRDP: FreeRDP: Information Disclosure via RDPGFX ResetGraphics PDU FreeRDP: FreeRDP: Use-after-free vulnerability in DRDYNVC parser leads to memory corruption FreeRDP: FreeRDP: Out-of-bounds read leads to denial of service or information disclosure FreeRDP: FreeRDP: Heap buffer overflow via oversized LB_LOAD_BALANCE_INFO routing token can lead to heap corruption. FreeRDP: FreeRDP: Denial of Service via crafted Surface Bits command FreeRDP: FreeRDP: Denial of Service via out-of-bounds read in URBDRC channel FreeRDP: FreeRDP: Denial of Service due to buffer over-read in RPC gateway FreeRDP: FreeRDP: Denial of Service via integer overflow and double free in WinPR FreeRDP: FreeRDP: Remote code execution via uninitialized heap memory disclosure FreeRDP: FreeRDP: Remote code execution via heap buffer overflow in Server Redirection PDU

RLSA-2026:75570 — Important: freerdp security update

Affected: Rocky Linux:10: freerdp

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, acknowledgm…

UBUNTU-CVE-2026-91954

Affected: Ubuntu:16.04:LTS: freerdp, Ubuntu:Pro:18.04:LTS: freerdp2, Ubuntu:18.04:LTS: freerdp, Ubuntu:Pro:20.04:LTS: freerdp2, Ubuntu:22.04:LTS: freerdp2, Ubuntu:24.04:LTS: freerdp3, Ubuntu:Pro:24.04:LTS: freerdp2, Ubuntu:26.04:LTS: freerdp3

WID-SEC-W-2026-3057 — FreeRDP: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

Ein Angreifer kann mehrere Schwachstellen in FreeRDP ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.