USN-2592-1: XML::LibXML vulnerability

4 May 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


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

Software Description

  • libxml-libxml-perl - Perl interface to the libxml2 library


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

To update your system, please follow these instructions:

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