Our RedHat 6.0 are currently being broken into by Serbian crackers apparently using a vulnerability in am-utils. /var/log/messages clearly shows attempts to overrun a buffer in amq. The am-utils developers claim that snapshot 6.0.1s10 probably fixes the vulnerability, and also asks to make sure that RedHat does NOT compile am-utils with the --enable-amq-mount option enabled.
released fixed packages to the errata and the world at large.