25
I Use This!
Moderate Activity
Analyzed 1 day ago. based on code collected 1 day ago.

Project Summary

strongSwan is an open source IPsec-based VPN solution. It features IKEv1 and IKEv2 keying capabilities and runs on Linux, Android, FreeBSD, macOS, iOS and Windows.

Tags

authentication c cross_platform cryptography dual_license encryption gateway ike ikev2 ipsec linux network networking ocsp pkcs11 security smartcard tunnel vpn x509

In a Nutshell, strongSwan...

GNU General Public License v2.0 or later
Permitted

Commercial Use

Modify

Distribute

Place Warranty

Forbidden

Sub-License

Hold Liable

Required

Distribute Original

Disclose Source

Include Copyright

State Changes

Include License

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 )

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...

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    you can subscribe to e-mail newsletters to receive update from the Open Hub blog
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    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
86%
19 Other
14%

30 Day Summary

Sep 24 2025 — Oct 24 2025

12 Month Summary

Oct 24 2024 — Oct 24 2025
  • 402 Commits
    Up + 128 (46%) from previous 12 months
  • 14 Contributors
    Down -3 (17%) from previous 12 months

Ratings

5 users rate this project:
4.8
   
4.8/5.0
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Static Analysis ( Generated by Coverity Scan for strongSwan )

Repository URL: https://github.com/strongswan/strongswan

Version: strongswan-6.0.2rc1

2025-07-08
Last Analyzed
521,590
Lines of Code Analyze
0.09
Defect Density

Defects by status for current build

1,144
Total defects
48
Outstanding
338
Fixed

CWE Top 25 defects

ID CWE-Name Number of Defects
190 Integer Overflow or Wraparound 6
676 Use of Potentially Dangerous Function 1