CentOS Errata and Bugfix Advisory 2015:1143 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1143.html

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

x86_64:
c32fd14c6ef8d5167ffcbf7e23ff79962f83cde7697e9020d255fa2696b0e648  gnutls-3.3.8-12.el7_1.1.i686.rpm
50d5ec09d405f2939336a3fe3b048d68d75e934eb9022b4bb0b4cd3f3836616e  gnutls-3.3.8-12.el7_1.1.x86_64.rpm
8a2daff1b877e2d543a8898972a749d72c40d906c97c3def045b2853c7796a7f  gnutls-c++-3.3.8-12.el7_1.1.i686.rpm
b1aa85114f6863eb2795f9f4a838a29f7363bcbdba7f5eb7484f65ea54ace120  gnutls-c++-3.3.8-12.el7_1.1.x86_64.rpm
46122c3806fc86796a3015923504353dcea38c63688d44d700f9c5c428d4ad9b  gnutls-dane-3.3.8-12.el7_1.1.i686.rpm
2f6abde5baeefb8825e427d291a4568194147794c80e8b014c26ecedac93e678  gnutls-dane-3.3.8-12.el7_1.1.x86_64.rpm
c06ce5136e33fa41dc0b8f3961b5dbe94f5c73a08e87efd15915b70ff15f435e  gnutls-devel-3.3.8-12.el7_1.1.i686.rpm
9922c77e8934aa73d48dffe53328073ef81d13e6f9cf2ea18dc1419f82b06c57  gnutls-devel-3.3.8-12.el7_1.1.x86_64.rpm
2cb5a6dfb11eb3f5a502637751fb74ebd629490d396df294e203bd40f5bf727b  gnutls-utils-3.3.8-12.el7_1.1.x86_64.rpm

Source:
b5017f5f6cd8046e18b7563e44b387133a29d8030fb0d2d13bd08d234d7e45df  gnutls-3.3.8-12.el7_1.1.src.rpm