Vulnerability Database

309,136

Total vulnerabilities in the database

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.

  • Published: Jun 9, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-5866
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8
  • AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.4
  • AV:A/AC:M/Au:S/C:C/I:C/A:C