Please Install the Updated Packages.
USN-2149-1 fixed a vulnerability in librsvg. This update provides a compatibility fix for GTK+ to work with the librsvg security update. Original advisory details: It was discovered that librsvg would load XML external entities by default. If a user were tricked into viewing a specially crafted SVG file, an attacker could possibly obtain access to arbitrary files.
gtk+3.0 on Ubuntu 12.10 , Ubuntu 12.04 LTS
Updated on 2015-03-25