CentOS Errata and Bugfix Advisory 2015:1161 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1161.html

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

x86_64:
26eae688b6566ba557c493605242f219c0a30a300d9ef5954638bd68be109000  golang-1.4.2-4.el7_1.x86_64.rpm
a5ddd3652c7e4abb2332594cb8b98e54907497576dc0c8b4421b54f2b42757be  golang-pkg-bin-linux-amd64-1.4.2-4.el7_1.x86_64.rpm
7e6060b953931a170fca2f8e5f4cb3ec1cf6194c969fc4e7368476e08e39f3d7  golang-pkg-darwin-386-1.4.2-4.el7_1.noarch.rpm
1350e7f8c720edb51a2c1fe594a63b5122c577944f7ded63b47b7f261d23baa1  golang-pkg-darwin-amd64-1.4.2-4.el7_1.noarch.rpm
25189254a9dce6b164948a86f80e4f7be5b96fa07b35e1c4017d969addbed019  golang-pkg-freebsd-386-1.4.2-4.el7_1.noarch.rpm
946621098de3d2f6cc332039b6cdbb139836e163a29d995ce631babe87fceb5d  golang-pkg-freebsd-amd64-1.4.2-4.el7_1.noarch.rpm
62f7982857c8067d89ea4d471d7e4a2ae74330cb8da38a96bdae814413d63253  golang-pkg-freebsd-arm-1.4.2-4.el7_1.noarch.rpm
1fb66fb58b8c3506f99c673609f1595fa53525737940dd60374e7c301bd22db7  golang-pkg-linux-386-1.4.2-4.el7_1.noarch.rpm
484004fe2e320d5309b91efb86cbb5693484c42748f0b4868746b4231d8e28c7  golang-pkg-linux-amd64-1.4.2-4.el7_1.noarch.rpm
e41ab0e39ec1609f63c3180dd1217f5b6fd3bb57ae86ecabbe6cf0a6ca8787b1  golang-pkg-linux-arm-1.4.2-4.el7_1.noarch.rpm
25185e43eb9da858460f6ff54db38b16b361dc33cce8bb44ba65b2a7dd180dda  golang-pkg-netbsd-386-1.4.2-4.el7_1.noarch.rpm
d696b3ce4b3ea2e2f5380d91e55a14b780633270af5daa788293715f198a9ada  golang-pkg-netbsd-amd64-1.4.2-4.el7_1.noarch.rpm
4cb9a7c18ae74187fcb108d143baeb6c7a53536518a6e98a613522044b1166ad  golang-pkg-netbsd-arm-1.4.2-4.el7_1.noarch.rpm
b0630fe3e751c00a2a16e6f03a4cc62744accf926c5797f044def33765bf21d3  golang-pkg-openbsd-386-1.4.2-4.el7_1.noarch.rpm
d58bcc58914c5512aef15084f72c234c63c16df6c07949bbe76ad22a755ce7e4  golang-pkg-openbsd-amd64-1.4.2-4.el7_1.noarch.rpm
6d7047262920d84093995a4ff3974ef576c1137ab8182416ac30cbe6e7b2dcec  golang-pkg-plan9-386-1.4.2-4.el7_1.noarch.rpm
a4b4e573933b3f59ef9629cef8d003598248e42ddd96e2816283f54ee6f6e3e3  golang-pkg-plan9-amd64-1.4.2-4.el7_1.noarch.rpm
49664659d4c15f01964bf21c8bf887a4cdb18240680b434f0df2db20da1de64a  golang-pkg-windows-386-1.4.2-4.el7_1.noarch.rpm
2c41512953d93c14b150fffe3402d60f1923b4d4716f9e1770112038576f754b  golang-pkg-windows-amd64-1.4.2-4.el7_1.noarch.rpm
9144fad1e38fee49f9889a8ab3b78df42bb624a29d81ed64a05d5020a83e7020  golang-src-1.4.2-4.el7_1.noarch.rpm

Source:
11f2308d5283e066a8daa5c01f632f6355808907f07c8e6aea6d29a09518b557  golang-1.4.2-4.el7_1.src.rpm