USN-3875-1: OpenJDK vulnerability

openjdk-8, openjdk-lts vulnerability

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

Ubuntu 18.10
Ubuntu 16.04 LTS

Summary

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

Software Description

openjdk-lts – Open Source Java implementation
openjdk-8 – 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)

Update instructions

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

Ubuntu 18.10: openjdk-11-jdk – 11.0.1+13-3ubuntu3.18.10.1; openjdk-11-jre – 11.0.1+13-3ubuntu3.18.10.1; openjdk-11-jre-headless – 11.0.1+13-3ubuntu3.18.10.1
Ubuntu 16.04 LTS: openjdk-8-jdk – 8u191-b12-2ubuntu0.16.04.1; openjdk-8-jre – 8u191-b12-2ubuntu0.16.04.1; openjdk-8-jre-headless – 8u191-b12-2ubuntu0.16.04.1; openjdk-8-jre-jamvm – 8u191-b12-2ubuntu0.16.04.1

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

CVE-2019-2422

Source: USN-3875-1: OpenJDK vulnerability

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