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Ubuntu 18.10, 16.04 LTS USN-3875-1 Critical OpenJDK Info Exposure

ubuntu
Calendar Grey January 30, 2019
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
Java applets or applications could be made to expose sensitiveinformation.

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)

Topics%20covered

Topics Covered

security advisory critical information exposure ubuntu memory disclosure openjdk

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://ubuntu.com/security/notices/USN-3875-1

CVE-2019-2422

Severity
critical
Lowest
Low
Medium
High
Critical

January 30, 2019

Topics%20covered

Topics Covered

security advisory critical information exposure ubuntu memory disclosure openjdk

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

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