Buffer overflow in Px4 Px4-Autopilot
CVE-2025-9020
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.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (4.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Px4 Px4-autopilot — versions 1.15.0, 1.15.1, 1.15.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, patch)
Frequently asked questions
- What is CVE-2025-9020?
- CVE-2025-9020 is a medium-severity vulnerability in Px4 Px4-Autopilot, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.5/10. Published 2025-08-15.
- How severe is CVE-2025-9020?
- Medium severity. CVSS v3 base score is 4.5 out of 10.