CVE-2026-55827 FreeRDP: Heap out-of-bounds write in RemoteFX (RFX) Cache Bitmap V3 decode

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.1, FreeRDP clients launched with the non-default /cache:codec:rfx option pass desktop stride and height to RemoteFX decoding for Cache Bitmap V3 data while allocating bitmap-data only for the smaller DstWidth and...

freerdp: FreeRDP: Remote code execution via heap-buffer-overflow in gdi_CacheToSurface

A flaw was found in FreeRDP.If a user connects to a malicious Remote Desktop RDP server, a security flaw in FreeRDP could cause the application to crash or allow the server to run unauthorized code on the user's system...

ROS-20260707-73-0014

The vulnerability of the gdiCacheToSurface function in the RDP client FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code and cause a service failure by sending specially crafted RDPGFX packets...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurred in the gdiSurfaceToSurface path of the FreeRDP client due to a mismatch between destination rectangle clamping and the actual copy size. A malicious server can...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.0, the gdisurfacebits function processed SURFACEBITSCOMMAND messages sent by the RDP server. When these commands were processed using NSCodec, the bmp.width and bmp.height values provided by the server were not...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, deleting offscreen bitmaps caused gdi-drawing to point to freed memory, leading to UAF when related update packets arrived. A malicious server could trigger client-side use after the objects were freed,...

ROS-20260624-73-0009

The vulnerability of the gdisurfacebits function in the RDP client of FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

SUSE-SU-2026:22194-1 Security update for freerdp

This update for freerdp fixes the following issues Update to version 3.26.0: - CVE-2026-33982: heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpralignedoffsetrecalloc bsc1261222. - CVE-2026-33985: FreeRDP: Information disclosure via heap memory out of bounds read...

CVE-2026-40033

A flaw was found in FreeRDP.If a user connects to a malicious Remote Desktop RDP server, a security flaw in FreeRDP could cause the application to crash or allow the server to run unauthorized code on the user's system. Mitigation To mitigate this issue, users should avoid connecting to untrusted...

ROS-20260615-73-0016

The vulnerability of the gdiSurfaceCommandClearCodec function in the RDP client FreeRDP is caused by a buffer overflow. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

ROS-20260615-73-0015

The vulnerability of the gdiSurfaceCommandClearCodec function in the RDP client FreeRDP is caused by a buffer overflow. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

ROS-20260611-73-0021

The vulnerability of the gdisetbounds function in the RDP client of FreeRDP is related to the possibility of using memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code and cause service failure...

ROS-20260611-73-0007

The vulnerability of the gdiSurfaceToSurface function in the RDP client of FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code and cause service interruptions...

ROS-20260611-73-0022

The vulnerability of the gdisetbounds function in the RDP client of FreeRDP is related to the possibility of using memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code and cause service failure...

ROS-20260611-73-0008

The vulnerability of the gdiSurfaceToSurface function in the RDP client of FreeRDP is related to buffer overflow in dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code and cause service interruptions...

UBUNTU-CVE-2026-44421

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs. The bug is in gdiCacheToSurface: it validates a destination rectangle that is clamped to UINT16MA...

CVE-2026-44421 FreeRDP RDPGFX CacheToSurface heap-buffer-overflow via clamped-rectangle validation bypass

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs. The bug is in gdiCacheToSurface: it validates a destination rectangle that is clamped to UINT16MA...

Linux Distros Unpatched Vulnerability : CVE-2026-40033

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FreeRDP before 3.26.0 contains a heap-buffer-overflow vulnerability in gdiCacheToSurface that allows remote attackers to write out-of-bounds heap memory. The...

SUSE CVE-2026-40033

FreeRDP before 3.26.0 contains a heap-buffer-overflow vulnerability in gdiCacheToSurface that allows remote attackers to write out-of-bounds heap memory. The vulnerability occurs because rectangle validation clamps coordinates to UINT16MAX but performs copy operations using unclamped cache entry...

DEBIAN-CVE-2026-40033

FreeRDP before 3.26.0 contains a heap-buffer-overflow vulnerability in gdiCacheToSurface that allows remote attackers to write out-of-bounds heap memory. The vulnerability occurs because rectangle validation clamps coordinates to UINT16MAX but performs copy operations using unclamped cache entry...