CentOS Errata and Bugfix Advisory 2014:1363 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2014-1363.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

x86_64:
9dd4644ca7404cf3dddad613977b02ee4bca3f003dffda38bd97573b496effd3  at-3.1.13-17.el7_0.1.x86_64.rpm
711dac18746220c0ba7c8636587734a8686e4ff1703219ef0e82df01fadf4ac2  at-sysvinit-3.1.13-17.el7_0.1.x86_64.rpm

Source:
c25678308970744e2bd12c5429ae263d2ee6af1b3ea158f6a3d9c65e74cb2d92  at-3.1.13-17.el7_0.1.src.rpm