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.
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Affected products
2Patches
Vulnerability mechanics
References
4- github.com/RT-Thread/rt-thread/issues/10300nvdExploitIssue TrackingThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
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