Use After Free in Px4 Px4-autopilot

CVE-2026-32724

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 han…

Vulnerability class: Use-After-Free

EPSS: 0.000 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-32724?
CVE-2026-32724 is a medium-severity vulnerability in Px4 Px4-autopilot, classified under Use After Free. CVSS score: 5.3/10. Published 2026-03-13.
How severe is CVE-2026-32724?
Medium severity. CVSS v3 base score is 5.3 out of 10.