CentOS Errata and Bugfix Advisory 2015:1598 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1598.html

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

x86_64:
d1f3c585b5e1d389d7aa761c813f8d343da761dba95c3a85bc60262537067569  xz-5.1.2-12alpha.el7.x86_64.rpm
ba3f0edd21700bc1ce3541605cf6588e9379b3c4f879aab42506f275ba2d5d7d  xz-compat-libs-5.1.2-12alpha.el7.i686.rpm
be109d65935feff7d6aabc72f81291966de3d5cb7f0b8e51f5a7c256127bc13a  xz-compat-libs-5.1.2-12alpha.el7.x86_64.rpm
14a46d008f064e835e2bf24e06537d5ae8885f2eda8586c8c93b9f77c8cc1b8e  xz-devel-5.1.2-12alpha.el7.i686.rpm
e460b6cb05318865f1ad9b7a4651de1f15d381bc7b574717bc0a6f81a7e23b12  xz-devel-5.1.2-12alpha.el7.x86_64.rpm
0234318738c2f01ab1d4d1851971f25006c032b3e8bbe55419892735f372634f  xz-libs-5.1.2-12alpha.el7.i686.rpm
33e16b7290d911e6bcdcec76eea38d03a17d65e289267348036d7be0dd615b3b  xz-libs-5.1.2-12alpha.el7.x86_64.rpm
82cca99f369b3d8989f5b6f903b5a83018bb5fc8a88443cb7cc53fbb47b48b6f  xz-lzma-compat-5.1.2-12alpha.el7.x86_64.rpm

Source:
4eaf1fbf222390f94fd3a61c17c2b1443394cc53750f30039818c51905740c78  xz-5.1.2-12alpha.el7.src.rpm