CVE-2025-5866

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-129

Affected software

No affected versions have been published.

Timeline

Published: Jun 9, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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