USN-3949-1: OpenJDK 11 vulnerability

USN-3949-1: OpenJDK 11 vulnerability

openjdk-lts vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 18.04 LTS

Summary

Java applets or applications could be made to expose sensitive
information.

Software Description

  • openjdk-lts – Open Source Java implementation

Details

It was discovered that a memory disclosure issue existed in the OpenJDK
Library subsystem. An attacker could use this to expose sensitive
information and possibly bypass Java sandbox restrictions. (CVE-2019-2422)

Please note that with this update, the OpenJDK package in Ubuntu
18.04 LTS has transitioned from OpenJDK 10 to OpenJDK 11. Several
additional packages were updated to be compatible with OpenJDK 11.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04 LTS
openjdk-11-jdk11.0.2+9-3ubuntu1~18.04.3
openjdk-11-jre11.0.2+9-3ubuntu1~18.04.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any Java
applications or applets to make all the necessary changes.

References

Source: USN-3949-1: OpenJDK 11 vulnerability

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