USN-2818-1: OpenJDK 7 vulnerability

Ubuntu Security Notice USN-2818-1

25th 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 version:

Ubuntu 15.10:

openjdk-7-jre-lib

7u91-2.6.3-0ubuntu0.15.10.1

openjdk-7-jre-zero

7u91-2.6.3-0ubuntu0.15.10.1

icedtea-7-jre-jamvm

7u91-2.6.3-0ubuntu0.15.10.1

openjdk-7-jre-headless

7u91-2.6.3-0ubuntu0.15.10.1

openjdk-7-jre

7u91-2.6.3-0ubuntu0.15.10.1

Ubuntu 15.04:

openjdk-7-jre-lib

7u91-2.6.3-0ubuntu0.15.04.1

openjdk-7-jre-zero

7u91-2.6.3-0ubuntu0.15.04.1

icedtea-7-jre-jamvm

7u91-2.6.3-0ubuntu0.15.04.1

openjdk-7-jre-headless

7u91-2.6.3-0ubuntu0.15.04.1

openjdk-7-jre

7u91-2.6.3-0ubuntu0.15.04.1

Ubuntu 14.04 LTS:

openjdk-7-jre-lib

7u91-2.6.3-0ubuntu0.14.04.1

openjdk-7-jre-zero

7u91-2.6.3-0ubuntu0.14.04.1

icedtea-7-jre-jamvm

7u91-2.6.3-0ubuntu0.14.04.1

openjdk-7-jre-headless

7u91-2.6.3-0ubuntu0.14.04.1

openjdk-7-jre

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

CVE-2015-4871