Mikhail Kalenkov maintains Fedora packages on his Scid page:
http://katrine.lpi.ru/kalenkov/
After downloading, move to the destination directory and then
yum -y install scid-4.4-1.fc18.i686.rpm scid-books-4.4-1.fc18.noarch.rpm scid-sounds-4.4-1.fc18.noarch.rpm
(Submitted by Luciano Salerno.)