Security Notice: OpenJDK 25 Update Released
Posted: Mon May 04, 2026 1:28 am
A new security update for OpenJDK 25 has been released.
Administrators and users running Java-based applications should update as soon as possible.
What is affected?
OpenJDK is used by many Java applications, servers, build tools and enterprise systems.
Security problems in Java can be serious, especially when applications process untrusted data from the internet.
Possible risk areas include:
Update OpenJDK 25 through your operating system package manager or from your trusted vendor source.
Debian / Ubuntu example:
After the update, restart Java-based services:
Important:
Do not only install the update — also restart affected applications, otherwise the old Java runtime may still be activ…login to view the rest of this post
Administrators and users running Java-based applications should update as soon as possible.
What is affected?
OpenJDK is used by many Java applications, servers, build tools and enterprise systems.
Security problems in Java can be serious, especially when applications process untrusted data from the internet.
Possible risk areas include:
- Java web applications
- Application servers
- Build systems and CI/CD environments
- Desktop applications using Java
- Server-side services using OpenJDK 25
Update OpenJDK 25 through your operating system package manager or from your trusted vendor source.
Debian / Ubuntu example:
Code: Select all
sudo apt update
sudo apt upgrade
Code: Select all
sudo systemctl restart name-of-your-java-service
Do not only install the update — also restart affected applications, otherwise the old Java runtime may still be activ…login to view the rest of this post