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USN-3942-1: OpenJDK 7 vulnerability

9 April 2019

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



  • openjdk-7 - Open Source Java implementation


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.

Update instructions

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

Ubuntu 14.04

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-3875-1: openjdk-8, openjdk-8-jre, openjdk-lts, openjdk-11-jdk, openjdk-11-jdk-headless, openjdk-11-source, openjdk-8-jre-zero, openjdk-8-source, openjdk-8-jre-jamvm, openjdk-8-jdk, openjdk-11-jre-zero, openjdk-11-doc, openjdk-11-jre, openjdk-8-doc, openjdk-11-demo, openjdk-8-jre-headless, openjdk-8-demo, openjdk-11-jre-headless, openjdk-8-jdk-headless
  • USN-3949-1: openjdk-11-jre-zero, openjdk-lts, openjdk-11-jdk, openjdk-11-jre-headless, openjdk-11-jdk-headless, openjdk-11-source, openjdk-11-doc, openjdk-11-jre, openjdk-11-demo