Updated packages have been posted for testing: ftp://ftp.scientificlinux.org/linux/scientific/5rolling/testing/i386/ ftp://ftp.scientificlinux.org/linux/scientific/5rolling/testing/x86_64/ While we continue our internal development of SL 5.10, we've posted the relevant security errata for this release to the SL5 testing repo. Security packages include: ccid kernel php53 samba3x sssd sudo xinetd We have not yet scheduled an official publication date for these packages. Please test them and report any issues so that we can work towards addressing them before the official release. You can install this update for testing via the sl-testing repo on your SL system: yum --enablerepo=sl-testing update <package you wish to test>