The current version of Libreswan is 5.4 (as of 14/08/2026). patchletter checks the official source daily and emails you new releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 5.4 | STABLE | 14/08/2026 | Release notes → |
| 5.3.2 | STABLE | 17/07/2026 | Release notes → |
| 5.3.1 | STABLE | 24/06/2026 | Release notes → |
| 5.3 | STABLE | 07/07/2025 | Release notes → |
| 5.2 | STABLE | 27/02/2025 | Release notes → |
| 5.1 | STABLE | 27/02/2025 | Release notes → |
| 5.0 | STABLE | 29/04/2024 | Release notes → |
| 4.15 | STABLE | 16/04/2024 | Release notes → |
| 4.12 | STABLE | 14/08/2023 | Release notes → |
| 4.11 | STABLE | 14/08/2023 | Release notes → |
Frequently asked questions
- What is the latest version of Libreswan?
- Libreswan 5.4, released 14/08/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Libreswan release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new Libreswan updates?
- Tick Libreswan off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new Libreswan version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The subscription is free and ends with one click.
Watch LibreswanEmbed this badge
The badge shows the current Libreswan version and keeps it up to date. Anyone may embed it, no account needed.
[](https://patchletter.com/en/software/libreswan)https://patchletter.com/badge/libreswan.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
