Liberica JDK 6 & 7

OpenJDK 6 & 7 build that is protected

No way to upgrade to Java 8 or higher? Move to Liberica JDK 6 & 7 一 the most stable OpenJDK runtime, with regular security updates and multi-platform support.

OpenJDK 6 & 7 is NOT secure!

JDK 6 & 7 have been functioning in maintenance mode since 2015, making them easy to exploit by utilizing the common vulnerabilities. Their main issue is the lack of mandatory updates for cryptographic algorithms and disablement of some of them (including the outdated LTS) in software, which JDK 6 & 7 implementations interact with.

Liberica 6 & 7 solves that issue!

What makes Liberica 6 & 7 the best instance of OpenJDK 6 & 7?

Safety first

We make Liberica 6 & 7 secure, with

  • Cryptography maintenance
  • Updates to IANA timezone data and root certificates
  • Fixes for functional regression and other issues.

We release security updates for 6 & 7 quarterly. All relevant vulnerability fixes are available on par with other Liberica JDK releases.

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Full support

Full support

We will support Liberica 6 & 7 until March of 2026, with quarterly security updates. Our technical support is provided by a dedicated team of engineers, and they are available 24/7/365.

Virtual environments

Virtual environments

The following virtual environments are supported:

  • Container runtime engines (e.g., Docker, CRI-O, Podman)
  • KVM
  • Microsoft Hyper-V (gen 1 and gen 2)
  • VirtualBox
  • VMware vSphere Hypervisor

It works on your platform

Liberica 6 & 7 is compatible with a wide range of Linux and Windows OS versions and works in a number of virtual environments, like Docker. We continue supporting Java Web Start in the Commercial Bundle with OpenWebStart from Karakun.

Learn more
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Liberica JDK vs Oracle Java SE support for Java 6 & 7

Liberica JDK 6 & 7
Oracle Java SE 6
Oracle Java SE 7
Support Plans
End of support
March 2026
No support provided
Ended in July 2022
CPU security updates
Quaterly updates
Upgrades
Cryptography maintenance, updates to IANA timezone data and root certificates, fixes for functional regression
Enhanced compatibility
32 and 64-bit systems, including Ubuntu, Debian, RHEL, CentOS, SLES and multiple versions of Linux and Windows
No support provided
Ended in July 2022
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