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
- Px4 Px4-autopilot — versions < 1.17.0-rc1
Weakness classification (CWE)
References
- https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-j5w2-w79c-mqrw (x_refsource_CONFIRM)
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.