CVE-2024-38920

9.1 criticalEPSS 0.5%

Critical (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` .

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2024-12-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

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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