CentOS 5533 Published by

https://rhn.redhat.com/errata/RHSA-2005-011.html refers

Updated files are :-

updates/i386/RPMS/ethereal-0.10.9-1.EL3.1.i386.rpm
updates/i386/RPMS/ethereal-gnome-0.10.9-1.EL3.1.i386.rpm

updates/i386/SRPMS/ethereal-0.10.9-1.EL3.1.src.rpm

To update run 'yum update ethereal'