VDB-351050 · CVE-2026-32724 · EUVD-2026-12179

PX4 PX4-Autopilot up to 1.17.0-rc1 CONTROL Message MavlinkShell::available use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in PX4 PX4-Autopilot up to 1.17.0-rc1. The impacted element is the function MavlinkShell::available of the component CONTROL Message Handler. Such manipulation leads to use after free. This vulnerability is referenced as CVE-2026-32724. The attack needs to be initiated within the local network. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in PX4 PX4-Autopilot up to 1.17.0-rc1 and classified as critical. Affected by this issue is the function MavlinkShell::available of the component CONTROL Message Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-32724 since 03/13/2026. The exploitation is known to be difficult. The attack needs to approached within the local network. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 1.17.0-rc1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-12179). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

PX4-Autopilot

Version

1.17.0-rc1

Website

Product: https://github.com/PX4/PX4-Autopilot/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: PX4-Autopilot 1.17.0-rc1

Timelineinfo

03/13/2026 Advisory disclosed
03/13/2026 +0 days CVE reserved
03/13/2026 +0 days VulDB entry created
03/14/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-32724 (🔒)
GCVE (CVE): GCVE-0-2026-32724
GCVE (VulDB): GCVE-100-351050
EUVD: 🔒

Entryinfo

Created: 03/13/2026 23:14
Updated: 03/14/2026 03:27
Changes: 03/13/2026 23:14 (65), 03/14/2026 03:27 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.