Improper Validation of Array Index Affecting RT-Thread/rt-thread package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published8 Jul 2025
- disclosed9 Jun 2025
- creditSaxon Mark
Introduced: 9 Jun 2025
CVE-2025-5866 (opens in a new tab)How to fix?
There is no fixed version for RT-Thread/rt-thread.
Overview
Affected versions of this package are vulnerable to Improper Validation of Array Index due to the manipulation of the how argument in the function sys_sigprocmask. An attacker can execute arbitrary code or cause a denial of service by sending crafted input that leads to an out-of-bounds write.