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Analyzed about 9 hours ago. based on code collected about 12 hours 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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Licenses

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

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Vulnerability Exposure Index

Many reported vulnerabilities
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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

Dec 10 2025 — Jan 9 2026

12 Month Summary

Jan 9 2025 — Jan 9 2026
  • 989 Commits
    Up + 323 (48%) from previous 12 months
  • 57 Contributors
    Up + 12 (26%) from previous 12 months

Most Recent Contributors

...nes Schindelin Corinna Vinschen
Takashi Yano Thomas Wolff
Spencer Alves ...lai Nagalingam

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

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

Version: b41e3b652

2026-01-06
Last Analyzed
92,779
Lines of Code Analyze
1.46
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