cvedb.io
CVE-2025-5866
HIGH · CVSS 8
EPSS exploitation probability: 0%
Published 2025-06-09T07:15:22.947 · Last modified 2026-06-17T09:48:54.590

Summary

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.

Affected products

rt-thread — rt-thread

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.