Security Advisory

CVE-2026-32724

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-03-13 21:39:19

Last updated 2026-03-16 20:22:43

Assigner GitHub_M

CVSS score 5.3

State PUBLISHED

Description

PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc1, a heap-use-after-free is detected in the MavlinkShell::available() function. The issue is caused by a race condition between the MAVLink receiver thread (which handles shell creation/destruction) and the telemetry sender thread (which polls the shell for available output). The issue is remotely triggerable via MAVLink SERIAL_CONTROL messages (ID 126), which can be sent by an external ground station or automated script. This vulnerability is fixed in 1.17.0-rc1.

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