>>675
yum-security?

$ yum info yum-security
Loading "fastestmirror" plugin
Loading mirror speeds from cached hostfile
Available Packages
Name : yum-security
Arch : noarch
Version: 1.1.7
Release: 1.fc7
Size : 12 k
Repo : updates
Summary: Yum plugin to enable security filters
Description:
This plugin adds ther options --security, --cve, --bz and --advisory flags
to yum and the list-security and info-security commands.
The options make it possible to limit list/upgrade of packages to specific
security relevant ones. The commands give you the security information.