Vulnerability Details CVE-2025-5866
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 40.4%
CVSS Severity
CVSS v3 Score 8.0
CVSS v2 Score 7.4
References