A vulnerability was found in PX4-Autopilot 1.12.3. It has been classified as problematic. This affects the function MavlinkReceiver::handle_message_trajectory_representation_waypoints of the file mavlink_receiver.cpp of the component TRAJECTORY_REPRESENTATION_WAYPOINTS Message Handler. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.