CVE-2025-9020: PX4 PX4-Autopilot

Medium severity, CVSS 4.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability was found in PX4 PX4-Autopilot up to 1.15.4. This issue affects the function MavlinkReceiver::handle_message_serial_control of the file src/modules/mavlink/mavlink_receiver.cpp of the component Mavlink Shell Closing Handler. The manipulation of the argument _mavlink_shell leads to use after free. An attack has to be approached locally. The complexity of an attack is rather high. The exploitation is known to be difficult. The identifier of the patch is 4395d4f00c49b888f030f5b43e2a779f1fa78708. It is recommended to apply a patch to fix this issue.

Affected products

• PX4 PX4-Autopilot: version 1.15.0 only; version 1.15.1 only; version 1.15.2 only; version 1.15.3 only; version 1.15.4 only

Published 2025-08-15. Last modified 2026-06-17.