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CVE-2026-32706 Details

Description

PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, The crsf_rc parser accepts an oversized variable-length known packet and copies it into a fixed 64-byte global buffer without a bounds check. In deployments where crsf_rc is enabled on a CRSF serial port, an adjacent/raw-serial attacker can trigger memory corruption and crash PX4. This vulnerability is fixed in 1.17.0-rc2.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-mqgj-hh4g-fg5p	CISA-ADP	ExploitVendor Advisory
https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-mqgj-hh4g-fg5p	[email protected]	ExploitVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
dronecode px4 drone autopilot	< 1.17.0 1.17.0 alpha1 1.17.0 beta1 1.17.0 rc1
CPE cpe:2.3:a:dronecode:px4_drone_autopilot:::::::: cpe:2.3:a:dronecode:px4_drone_autopilot:1.17.0:alpha1:::::: cpe:2.3:a:dronecode:px4_drone_autopilot:1.17.0:beta1:::::: cpe:2.3:a:dronecode:px4_drone_autopilot:1.17.0:rc1:::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Mar 17, 2026	CVE Modified	CISA-ADP
Mar 16, 2026	Initial Analysis	[email protected]
Mar 16, 2026	New CVE Received	[email protected]