mod_security 2.6.7 for el5/el6 (RHEL, CentOS) will be in epel-testing [1][2], core rules packages will follow soon (waiting for epel branches [3]).
- [1] https://admin.fedoraproject.org/updates/mod_security-2.6.7-1.el6
- [2] https://admin.fedoraproject.org/updates/mod_security-2.6.7-1.el5
- [3] https://bugzilla.redhat.com/show_bug.cgi?id=816975#c9
EPEL devel list post: https://www.redhat.com/archives/epel-devel-list/2012-August/msg00068.html