=========================================================================Ubuntu Security Notice USN-2592-1
May 04, 2015

libxml-libxml-perl vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

XML::LibXML could be made to expose sensitive information.

Software Description:
- libxml-libxml-perl: Perl interface to the libxml2 library

Details:

Tilmann Haak discovered that XML::LibXML incorrectly handled the
expand_entities parameter in certain situations. A remote attacker could
possibly use this issue to access sensitive information.

Update instructions:

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

Ubuntu 15.04:
  libxml-libxml-perl              2.0116+dfsg-1ubuntu0.15.04.1

Ubuntu 14.10:
  libxml-libxml-perl              2.0116+dfsg-1ubuntu0.14.10.1

Ubuntu 14.04 LTS:
  libxml-libxml-perl              2.0108+dfsg-1ubuntu0.1

Ubuntu 12.04 LTS:
  libxml-libxml-perl              1.89+dfsg-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-2592-1
  CVE-2015-3451

Package Information:

https://launchpad.net/ubuntu/+source/libxml-libxml-perl/2.0116+dfsg-1ubuntu0.15.04.1

https://launchpad.net/ubuntu/+source/libxml-libxml-perl/2.0116+dfsg-1ubuntu0.14.10.1
  https://launchpad.net/ubuntu/+source/libxml-libxml-perl/2.0108+dfsg-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libxml-libxml-perl/1.89+dfsg-1ubuntu0.1