The remote host is missing an update to glib2.0 announced via advisory USN-738-1.

The problem can be corrected by upgrading your system to the following package versions: Ubuntu 7.10: libglib2.0-0 2.14.1-1ubuntu1.1 libglib2.0-udeb 2.14.1-1ubuntu1.1 Ubuntu 8.04 LTS: libglib2.0-0 2.16.6-0ubuntu1.1 libglib2.0-udeb 2.16.6-0ubuntu1.1 Ubuntu 8.10: libglib2.0-0 2.18.2-0ubuntu2.1 libglib2.0-udeb 2.18.2-0ubuntu2.1 After a standard system upgrade you need to reboot your computer to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-738-1

Diego Petten discovered that the Base64 encoding functions in GLib did not properly handle large strings. If a user or automated system were tricked into processing a crafted Base64 string, an attacker could possibly execute arbitrary code with the privileges of the user invoking the program.