--showduplicates オプションを使用

$ yum --showduplicates list httpd | expand
Loaded plugins: fastestmirror, langpacks, refresh-packagekit
Loading mirror speeds from cached hostfile
 * fedora: mirror.steadfast.net

Available Packages
httpd.x86_64                        2.4.6-6.fc20                         fedora 
httpd.x86_64                        2.4.10-1.fc20                        updates

How can I instruct yum to install a specific version of package X? - Unix & Linux Stack Exchange