CVE-2024-38920: Open Robotics NAV2 Humble

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Open Robotics Robotic Operating System 2 (ROS2) and Nav2 humble versions were discovered to contain a use-after-free via the nav2_amcl process. This vulnerability is triggerd via remotely sending a request for change the value of dynamic-parameter`/amcl max_beams` .

Affected products

• Open Robotics NAV2 Humble: any version
• Open Robotics ROS2: any version

Published 2024-12-05. Last modified 2026-06-17.