FreeRDP rail_server_handle_messages RCE

The vulnerability of the railserverhandlemessages function in the channels/rail/server/railmain.c file of the RDP client FreeRDP is related to a potential integer overflow. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2026-67298

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

Linux Distros Unpatched Vulnerability : CVE-2026-67298

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in...

CVE-2026-67298

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

CVE-2026-67300

FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async update message proxy for RAIL WINDOWSTATEORDER and NOTIFYICONSTATEORDER when AsyncUpdate is enabled. When a malicious or compromised RDP server sends crafted update orders, the message proxy shallow-copies...

CVE-2026-67298

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

UBUNTU-CVE-2026-67298

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

CVE-2026-67299 FreeRDP before 3.29.0 Use-After-Free via WindowIcon async message

FreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOWICONORDER when AsyncUpdate is enabled e.g. xfreerdp /async-update. In updatemessageWindowIcon a shallow CopyMemory overwrites a freshly allocated lParam-iconInfo with the parser-owned...

EUVD-2026-51824

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

CVE-2026-67298

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

CVE-2026-67298

Summary: CVE-2026-67298 affects FreeRDP prior to 3.29.0. The server-side RAIL channel handler (rail_server_handle_messages in channels/rail/server/rail_main.c) is vulnerable. When processing a RAIL PDU header, the code subtracts RAIL_PDU_HEADER_LENGTH from the peer-controlled orderLength without ...

CVE-2026-67300

CVE-2026-67300 – FreeRDP before 3.29.0 : A client-side heap use-after-free in the async update message proxy affects RAIL WINDOW_STATE_ORDER and NOTIFY_ICON_STATE_ORDER when AsyncUpdate is enabled. If a malicious RDP server sends crafted update orders, the proxy shallow-copies structures containi...

CVE-2026-67300

FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async update message proxy for RAIL WINDOWSTATEORDER and NOTIFYICONSTATEORDER when AsyncUpdate is enabled. When a malicious or compromised RDP server sends crafted update orders, the message proxy shallow-copies...

CVE-2026-67298 FreeRDP 3.28.0 Heap Buffer Overflow via RAIL orderLength Underflow

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

CVE-2026-67298

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

CVE-2026-67298 FreeRDP 3.28.0 Heap Buffer Overflow via RAIL orderLength Underflow

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

CVE-2026-67300 FreeRDP before 3.29.0 Use-After-Free via async message proxy

FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async update message proxy for RAIL WINDOWSTATEORDER and NOTIFYICONSTATEORDER when AsyncUpdate is enabled. When a malicious or compromised RDP server sends crafted update orders, the message proxy shallow-copies...

CVE-2026-67300 FreeRDP before 3.29.0 Use-After-Free via async message proxy

FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async update message proxy for RAIL WINDOWSTATEORDER and NOTIFYICONSTATEORDER when AsyncUpdate is enabled. When a malicious or compromised RDP server sends crafted update orders, the message proxy shallow-copies...

CVE-2026-67298 FreeRDP 3.28.0 Heap Buffer Overflow via RAIL orderLength Underflow

FreeRDP versions 3.28.0 and earlier contain a heap buffer overflow in the server-side RAIL channel handler railserverhandlemessages in channels/rail/server/railmain.c. When processing a RAIL PDU header, the code subtracts RAILPDUHEADERLENGTH from the peer-controlled orderLength field without firs...

CVE-2026-67299 FreeRDP before 3.29.0 Use-After-Free via WindowIcon async message

FreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOWICONORDER when AsyncUpdate is enabled e.g. xfreerdp /async-update. In updatemessageWindowIcon a shallow CopyMemory overwrites a freshly allocated lParam-iconInfo with the parser-owned...