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USN-3949-1: OpenJDK 11 vulnerability

16 April 2019

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




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

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.


Related notices

  • USN-3942-1: openjdk-7-source, openjdk-7-jdk, openjdk-7, openjdk-7-jre-lib, icedtea-7-jre-jamvm, openjdk-7-doc, openjdk-7-jre, openjdk-7-demo, openjdk-7-jre-zero, openjdk-7-tests, openjdk-7-jre-headless
  • USN-3875-1: openjdk-11-jre, openjdk-8, openjdk-11-doc, openjdk-11-demo, openjdk-8-jdk-headless, openjdk-11-jdk, openjdk-8-doc, openjdk-8-jre-jamvm, openjdk-8-jre-headless, openjdk-8-source, openjdk-8-jdk, openjdk-11-jdk-headless, openjdk-8-jre, openjdk-8-demo, openjdk-11-jre-headless, openjdk-11-source, openjdk-11-jre-zero, openjdk-8-jre-zero, openjdk-lts