[USN-3875-1] OpenJDK vulnerability

==========================================================================
Ubuntu Security Notice USN-3875-1
January 30, 2019

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

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:
https://usn.ubuntu.com/usn/usn-3875-1
CVE-2019-2422

Package Information:
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.1+13-3ubuntu3.18.10.1
https://launchpad.net/ubuntu/+source/openjdk-8/8u191-b12-2ubuntu0.16.04.1