The remote host is missing an update to newt announced via advisory USN-837-1.

The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libnewt0.51 0.51.6-31ubuntu1.1 Ubuntu 8.04 LTS: libnewt0.52 0.52.2-11.2ubuntu1.1 Ubuntu 8.10: libnewt0.52 0.52.2-11.3ubuntu1.1 Ubuntu 9.04: libnewt0.52 0.52.2-11.3ubuntu3.1 In general, a standard system upgrade is sufficient to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-837-1

Miroslav Lichvar discovered that Newt incorrectly handled rendering in a text box. An attacker could exploit this and cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program.