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    CVE-2021-46896

    Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.

    Published:Jul 6, 2023
    Last Modified:Nov 21, 2024
    EPS:Jul 6, 2023
    EPSS Score:0.00052
    CVSS Score:7.5

    Affected Products

    Vendor
    Dronecode
    Product
    Px4 Drone Autopilot

    Exploits

    https://github.com/PX4/PX4-Autopilot/issues/18369https://github.com/PX4/PX4-Autopilot/issues/18369

    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-2026-32724 (CVSS 5.3) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc1, a heap-use-after-free is detected …
    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…

    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