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High severity8.0NVD Advisory· Published Jun 9, 2025· Updated Jun 17, 2026

CVE-2025-5866

CVE-2025-5866

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • RT-Thread/RT-Threadllm-fuzzy3 versions
    =5.1.0+ 2 more
    • (no CPE)range: =5.1.0
    • (no CPE)
    • cpe:2.3:o:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

4

News mentions

0

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