CVE-2025-5866

Published June 9th, 2025

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CVSS v3

HIGH

CVSS v2

7.4

HIGH

Affected

PROJECT

Description

A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function sys_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.

RT-Thread/rt-thread

RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/

GitHub

12K