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.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.6
- CVSS vector
- CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
- EPSS probability
- 0.92%
- CWE
- CWE-129, CWE-119
- Published
- 2025-06-09
- Last modified
- 2026-03-13
Affected products
- n/a RT-Thread
Weakness type
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