1.19.1. RHBA-2011:0185: cups bug fix update
Updated cups packages that fix a bug are now available for Red Hat Enterprise Linux 5.
The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems.
* Previously, when the cupsd daemon was running with SELinux features enabled, file descriptor count was increasing over time until resources ran out. With this update, resources are allocated only once. (BZ#670909
Users of CUPS are advised to upgrade to these updated packages, which resolve this issue. After installing this update, the cupsd daemon will be restarted automatically.