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    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 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.

    Published:Mar 13, 2026
    Last Modified:Mar 23, 2026
    EPS:Mar 13, 2026
    EPSS Score:0.00018
    CVSS Score:5.3

    Affected Products

    Vendor
    Dronecode
    Product
    Px4 Drone Autopilot
    Vendor
    Px4
    Product
    Px4-autopilot

    Exploits

    https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-j5w2-w79c-mqrw

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-32743 (CVSS 6.5) — PX4 is an open-source autopilot stack for drones and unmanned vehicles. Versions 1.17.0-rc2 and below are vuln…
    CVE-2026-32713 (CVSS 4.3) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, A logic error in the PX4 Autopilot…
    CVE-2026-32709 (CVSS 5.4) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, An unauthenticated path traversal …
    CVE-2026-32708 (CVSS 7.8) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, the Zenoh uORB subscriber allocate…
    CVE-2026-32707 (CVSS 5.2) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, tattu_can contains an unbounded me…
    CVE-2026-32706 (CVSS 7.1) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, The crsf_rc parser accepts an over…
    CVE-2026-32705 (CVSS 6.8) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, the BST telemetry probe writes a s…
    CVE-2026-26742 (CVSS 8.1) — PX4 Autopilot versions 1.12.x through 1.15.x contain a protection mechanism failure in the "Re-arm Grace Perio…
    CVE-2026-26741 (CVSS 8.1) — PX4 Autopilot versions 1.12.x through 1.15.x contain a logic flaw in the mode switching mechanism. When switch…
    CVE-2025-15150 (CVSS 4.8) — A vulnerability was found in PX4 PX4-Autopilot up to 1.16.0. Affected by this issue is the function MavlinkLog…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High