USN-2818-1: OpenJDK 7 vulnerability

25 November 2015

openjdk-7 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.10
  • Ubuntu 15.04
  • Ubuntu 14.04 LTS

Summary

A security issue was fixed in OpenJDK 7.

Software Description

  • openjdk-7 - Open Source Java implementation

Details

It was discovered that rebinding of the receiver of a DirectMethodHandle may allow a protected method to be accessed. Am attacker could use this to expose sensitive information or possibly execute arbitrary code.

Update instructions

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

Ubuntu 15.10
icedtea-7-jre-jamvm - 7u91-2.6.3-0ubuntu0.15.10.1
openjdk-7-jre - 7u91-2.6.3-0ubuntu0.15.10.1
openjdk-7-jre-headless - 7u91-2.6.3-0ubuntu0.15.10.1
openjdk-7-jre-lib - 7u91-2.6.3-0ubuntu0.15.10.1
openjdk-7-jre-zero - 7u91-2.6.3-0ubuntu0.15.10.1
Ubuntu 15.04
icedtea-7-jre-jamvm - 7u91-2.6.3-0ubuntu0.15.04.1
openjdk-7-jre - 7u91-2.6.3-0ubuntu0.15.04.1
openjdk-7-jre-headless - 7u91-2.6.3-0ubuntu0.15.04.1
openjdk-7-jre-lib - 7u91-2.6.3-0ubuntu0.15.04.1
openjdk-7-jre-zero - 7u91-2.6.3-0ubuntu0.15.04.1
Ubuntu 14.04 LTS
icedtea-7-jre-jamvm - 7u91-2.6.3-0ubuntu0.14.04.1
openjdk-7-jre - 7u91-2.6.3-0ubuntu0.14.04.1
openjdk-7-jre-headless - 7u91-2.6.3-0ubuntu0.14.04.1
openjdk-7-jre-lib - 7u91-2.6.3-0ubuntu0.14.04.1
openjdk-7-jre-zero - 7u91-2.6.3-0ubuntu0.14.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart any Java applications or applets to make all the necessary changes.

References