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Analyzed 1 day ago. based on code collected 2 days ago.

Project Summary

Newlib is a C library intended for use on embedded systems. It is a conglomeration of several library parts, all under free software licenses that make them easily usable on embedded products.

Newlib is only available in source form. It can be compiled for a wide array of processors, and will usually work on any architecture with the addition of a few low-level routines.

Newlib is the C Library used by Cygwin and RTEMS.

Tags

c embedded libc malloc standard-library static

In a Nutshell, Newlib...

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Code Locations:
https://sourceware.org/git/newli...
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Licenses

BSD 3-clause "New" or "Revised" License
Permitted

Commercial Use

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Include Copyright

Include License

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

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Project Security

Vulnerabilities per Version ( last 10 releases )

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities
About Project Vulnerability Report

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About Project Security

Code

Lines of Code

Activity

Commits per Month

Community

Languages

C 		60%
C++ 		15%
Make 		9%
17 Other 		16%

30 Day Summary

Sep 6 2026 — Oct 6 2026

12 Month Summary

Oct 6 2025 — Oct 6 2026
  • 305 Commits
    Down -221 (42%) from previous 12 months
  • 54 Contributors
    Down -2 (3%) from previous 12 months

Most Recent Contributors

Jon Turney Christoph Reiter
Takashi Yano Mark Geisert
Mayank Agrawal Christian Franke

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Static Analysis ( Generated by Coverity Scan for RTEMS-Newlib )

Repository URL: https://sourceware.org/git/newlib-cygwin.git

Version: 8f145421c

2026-10-06
Last Analyzed
93,318
Lines of Code Analyze
1.45
Defect Density

Defects by status for current build

197
Total defects
135
Outstanding
61
Fixed

CWE Top 25 defects

ID CWE-Name Number of Defects
120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') 4
190 Integer Overflow or Wraparound 20
676 Use of Potentially Dangerous Function 1