A free and open source Graphical User Interface for OpenVPN

Tunnelblick for Mac

Tunnelblick 3.8.8c Build 5778

  -  18 MB  -  Open Source

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Tunnelblick 3.8.8c Build 5778.


For those interested in downloading the most recent release of Tunnelblick for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • Tunnelblick 3.8.8c Build 5778 Screenshots

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    Tunnelblick 3.8.8c Build 5778 Screenshot 1
  • Tunnelblick 3.8.8c Build 5778 Screenshot 2

What's new in this version:

- Fixes several security vulnerabilities. See Assisted Local Privilege Escalation and Arbitrary File Overwrite Vulnerabilities
- Warns if converted, updated, or modified configurations may run scripts
- Includes OpenVPN 2.6.5, replacing 2.6.4. See Changes in OpenVPN 2.6
- Includes OpenSSL 1.1.1v, replacing 1.1.1u. See OpenSSL 1.1.1 Series Release Notes
- Discontinues migrating old file layout to 'new' (new 10 years ago) layout
- Discontinues converting .ovpn and .conf files found in Tunnelblick's standard folder to Tunnelblick VPN Configurations