CVE-2024-38920

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-12-05 · updated 2026-06-17
Weakness: CWE-416

Description

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: all versions
Open Robotics Ros2: all versions

References

https://github.com/GoesM/ROS-CVE-CNVDs
https://github.com/ros-navigation/navigation2/issues/4379
https://github.com/ros-navigation/navigation2/pull/4397

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