CentOS 5526 Published by

CentOS 3 will be discontinued on October 31th 2010



As per the upstream vendors errata support policy, updates for CentOS 3 will also end on October 31th 2010.
https://rhn.redhat.com/errata/RHSA-2010-0386.html

It is recommended that any system still running CentOS 3 should be upgraded to a more recent version of CentOS before this date to ensure continued security and bug fix support.