Buffer overflow in xloadimage 4.1 (aka xli 1.16 and 1.17) in Linux allows remote attackers to execute arbitrary code via a FACES format image containing a long (1) Firstname or (2) Lastname field.
http://www.redhat.com/support/errata/RHSA-2001-088.html
http://www.novell.com/linux/security/advisories/2001_024_xli_txt.html
http://www.iss.net/security_center/static/6821.php
http://www.gentoo.org/security/en/glsa/glsa-200503-05.xml