The remote host is missing an update to pango1.0 announced via advisory USN-773-1.

The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libpango1.0-0 1.12.3-0ubuntu3.1 Ubuntu 8.04 LTS: libpango1.0-0 1.20.5-0ubuntu1.1 Ubuntu 8.10: libpango1.0-0 1.22.2-0ubuntu1.1 After a standard system upgrade you need to restart your session to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-773-1

Will Drewry discovered that Pango incorrectly handled rendering text with long glyphstrings. If a user were tricked into displaying specially crafted data with applications linked against Pango, such as Firefox, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.