CVE-2026-91954

GHSA-ffjr-p229-hpch: NULL pointer dereference in gdisurfacebits when the client has not enabled NSCodec...

UBUNTU-CVE-2026-91954

GHSA-ffjr-p229-hpch: NULL pointer dereference in gdisurfacebits when the client has not enabled NSCodec...

CVE-2026-91954

A flaw was found in FreeRDP. A malicious Remote Desktop Protocol RDP server can trigger a null pointer dereference in the gdisurfacebits function by sending a specially crafted Surface Bits command that claims to use the NSCodec codec ID. This vulnerability exists even when the NSCodec is disable...

DEBIAN-CVE-2026-91954

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdisurfacebits 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 disabl...

CVE-2026-91954

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdisurfacebits 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 disabl...

CVE-2026-91954

FreeRDP versions before 3.31.0 contain a null pointer dereference in the gdi_surface_bits function. A malicious RDP server can crash a FreeRDP client by sending a crafted Surface Bits command that claims to use the NSCodec codec ID, even when the codec is disabled on the client side. The impact i...

CVE-2026-91954 FreeRDP before 3.31.0 NULL Pointer Dereference via NSCodec

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdisurfacebits 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 disabl...

CVE-2026-91954 FreeRDP before 3.31.0 NULL Pointer Dereference via NSCodec

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdisurfacebits 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 disabl...

EUVD-2026-78630

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdisurfacebits 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 disabl...

CVE-2026-91954

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdisurfacebits 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 disabl...

Linux Distros Unpatched Vulnerability : CVE-2026-91954

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdisurfacebits when processing Surface Bits commands with NSCodec codec ID. A malicio...

PT-2026-92073

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...

CVE-2026-31806

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, the gdisurfacebits function processes SURFACEBITSCOMMAND messages sent by the RDP server. When the command is handled using NSCodec, the bmp.width and bmp.height values provided by the server are not properly...

DEBIAN-CVE-2026-31806

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, the gdisurfacebits function processes SURFACEBITSCOMMAND messages sent by the RDP server. When the command is handled using NSCodec, the bmp.width and bmp.height values provided by the server are not properly...

UBUNTU-CVE-2026-31806

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, the gdisurfacebits function processes SURFACEBITSCOMMAND messages sent by the RDP server. When the command is handled using NSCodec, the bmp.width and bmp.height values provided by the server are not properly...

CVE-2026-31806

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, the gdisurfacebits function processes SURFACEBITSCOMMAND messages sent by the RDP server. When the command is handled using NSCodec, the bmp.width and bmp.height values provided by the server are not properly...

CVE-2026-31806

Summary: CVE-2026-31806 affects FreeRDP prior to 3.24.0, where the gdi_surface_bits() handler (NSCodec path) can process SURFACE_BITS_COMMAND messages with unsafe bmp.width/bmp.height values, enabling a heap buffer overflow by crafting server data. The issue arises when width/height are not prope...

PT-2026-25335

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.24.0 Description FreeRDP is an implementation of the Remote Desktop Protocol. The gdi surface bits function handles SURFACE BITS COMMAND messages from the RDP server. When using NSCodec, the bmp.width and bmp.height...