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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:
http://www.ubuntu.com/usn/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

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