21
I Use This!
Very High Activity
Analyzed about 5 hours ago. based on code collected 2 days ago.

This project has been reported as a duplicate of QEMU. This project will be deleted upon review by an Open Hub administrator.

 

Project Summary

The Zephyr OS is based on a small-footprint kernel designed for use on resource-constrained and embedded systems: from simple embedded environmental sensors and LED wearables to sophisticated embedded controllers, smart watches, and IoT wireless applications.

Tags

arc arm armv6-m armv7-m cortex-m0 cortex-m0+ cortex-m3 cortex-m4 embedded nios2 rtos sensor stm32 x86 zephyr

Apache License 2.0
Permitted

Commercial Use

Modify

Distribute

Place Warranty

Sub-License

Private Use

Use Patent Claims

Forbidden

Hold Liable

Use Trademarks

Required

Include Copyright

State Changes

Include License

Include Notice

These details are provided for information only. No information here is legal advice and should not be used as such.

Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities

Did You Know...

  • ...
    in 2016, 47% of companies did not have formal process in place to track OS code
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About Project Security

Languages

C
75%
XML
20%
26 Other
5%

30 Day Summary

Jul 31 2025 — Aug 30 2025

12 Month Summary

Aug 30 2024 — Aug 30 2025
  • 19455 Commits
    Up + 839 (4%) from previous 12 months
  • 1293 Contributors
    Up + 218 (20%) from previous 12 months

Static Analysis ( Generated by Coverity Scan for Zephyr )

Repository URL: https://github.com/zephyrproject-rtos/zephyr-testing

Version: v4.2.0-1588-g83f1bd7341d

2025-08-14
Last Analyzed
5,008,229
Lines of Code Analyze
0.27
Defect Density

Defects by status for current build

19,015
Total defects
627
Outstanding
18,203
Fixed

CWE Top 25 defects

ID CWE-Name Number of Defects
120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') 3
131 Incorrect Calculation of Buffer Size 2
190 Integer Overflow or Wraparound 97
676 Use of Potentially Dangerous Function 3