CVE-2026-32724

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.

PUBLISHED Reserved 2026-03-13 | Published 2026-03-13 | Updated 2026-03-13 | Assigner GitHub_M

Problem types

CWE-416: Use After Free

Product status

References

github.com/...opilot/security/advisories/GHSA-j5w2-w79c-mqrw

cve.org (CVE-2026-32724)

nvd.nist.gov (CVE-2026-32724)

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