A number of buffer overflow issues when processing NIFF images was reported to bugtraq: http://marc.theaimsgroup.com/?l=bugtraq&m=112862493918840&w=2 These issues are triggered by constructing a NIFF image with a very long embedded image title.
This issue should also affect RHEL2.1 and RHEL3
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2005-802.html