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USN-3734-1: OpenJDK 8 vulnerability

10 August 2018

Java applications could be made to use excessive memory.

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Releases

Packages

  • openjdk-8 - Open Source Java implementation

Details

It was discovered that the PatternSyntaxException class in OpenJDK
did not properly validate arguments passed to it. An attacker could
use this to possibly construct a class that caused a denial of service
(excessive memory consumption).

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

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.

References

Related notices

  • USN-3735-1: openjdk-7-jre, icedtea-7-jre-jamvm, openjdk-7-doc, openjdk-7-jre-lib, openjdk-7-source, openjdk-7-demo, openjdk-7-tests, openjdk-7, openjdk-7-jre-headless, openjdk-7-jdk, openjdk-7-jre-zero
  • USN-3747-1: openjdk-11-jdk-headless, openjdk-11-source, openjdk-11-jdk, openjdk-11-jre-headless, openjdk-11-demo, openjdk-11-jre-zero, openjdk-11-doc, openjdk-11-jre, openjdk-lts