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

Updated files are :-

updates/x86_64/RPMS/ethereal-0.10.9-1.EL3.1.x86_64.rpm
updates/x86_64/RPMS/ethereal-gnome-0.10.9-1.EL3.1.x86_64.rpm

updates/x86_64/SRPMS/ethereal-0.10.9-1.EL3.1.src.rpm

To update run 'yum update ethereal'