CVE-2025-5868CRITICAL 9.8EPSS p58.1%

CVE-2025-5868CVE-2025-5868

Description

A vulnerability, which was classified as critical, has been found in RT-Thread 5.1.0. This issue affects the function sys_thread_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

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS1.00% probability of exploitation · percentile 58.1% · 2026-06-18T12:00:27Z
Published2025-06-09
Last modified2025-07-11

Underlying weaknesses· 2

CWE-119CWE-129

References

  1. https://github.com/RT-Thread/rt-thread/issues/10303
  2. https://vuldb.com/?ctiid.311627
  3. https://vuldb.com/?id.311627
  4. https://vuldb.com/?submit.584130

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessImproper Validation of Array Indexcwe-1290%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.