The following two updates has been released for CentOS:

CEBA-2015:1079 CentOS 7 libkkc FASTTRACK BugFix Update
CEBA-2015:1080 CentOS 6 poppler BugFix Update

CEBA-2015:1079 CentOS 7 libkkc FASTTRACK BugFix Update

CentOS Errata and Bugfix Advisory 2015:1079

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1079.html

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

x86_64:
f72ca297b82c1c64820422ed9f647ace9fe50446bf38fc3abb3991b632f239e1 libkkc-0.3.1-8.el7.i686.rpm
f494db421c0bbcfd8e24de7289d5df99dbdb98a39bdc312ea184fde4193852af libkkc-0.3.1-8.el7.x86_64.rpm
fb4d6fc9d750336d8f1879853bc8c50dd9cd06fec252ba6c8c85540a1b400977 libkkc-common-0.3.1-8.el7.noarch.rpm
ed56e7c8d649e0a5dca0e78cde836456cea822ff8211cf00fe4110549d2e38e9 libkkc-data-0.3.1-8.el7.x86_64.rpm
0277cf9089f87e750f8eff694a09c66d74ea28921f0006d567cb40b76dd2dc3d libkkc-devel-0.3.1-8.el7.i686.rpm
8e9149c2477ea3cc3466df9057493a6e931a45713f08d0599438e90502a36762 libkkc-devel-0.3.1-8.el7.x86_64.rpm
7016a52b3ec0b7628fcb48bedf8073e39321a20412201f36c998d273570ff020 libkkc-tools-0.3.1-8.el7.x86_64.rpm

Source:
07fc65cbb673afebf64d55cfbc87e3c67fed8956242da4a34def25c4264212a2 libkkc-0.3.1-8.el7.src.rpm

CEBA-2015:1080 CentOS 6 poppler BugFix Update

CentOS Errata and Bugfix Advisory 2015:1080

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1080.html

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

i386:
8e8e76e53c0a4d9c2ed788c861c87febfcf47fef486a69ab6fbcf35b3458110d poppler-0.12.4-4.el6_6.1.i686.rpm
5f95e17deba7a0ad146a869f4d92b43f9e793a1ba4423128d01cd6243dbff34e poppler-devel-0.12.4-4.el6_6.1.i686.rpm
c7d016163896282784b4809f5eb7bd80f769eb963a09c19c70da5e11d6390374 poppler-glib-0.12.4-4.el6_6.1.i686.rpm
cab1dea9ae253058c7710a6735c93c2ed7411dc8c3508ca8fb6bbdcc54e64561 poppler-glib-devel-0.12.4-4.el6_6.1.i686.rpm
a25d43ed8a3b788aadc6823d2ff4d92802596dfd2581b26da001eab43086ff08 poppler-qt-0.12.4-4.el6_6.1.i686.rpm
38a390e5646075692625dd27d365a416ee18d1b6687a4e4a61449a77b512cf1d poppler-qt4-0.12.4-4.el6_6.1.i686.rpm
2530f0f0908fd8dc9edbb48ecd63fa9d933759703d3dbaa6b5a90e7a1a60edca poppler-qt4-devel-0.12.4-4.el6_6.1.i686.rpm
cedcdaed307c77deb0065432db5e938ca7f8f133365acfe6f1e4960ef14fbf82 poppler-qt-devel-0.12.4-4.el6_6.1.i686.rpm
0f88be29e2dc32dbb10fc4605751b52b35b544f82fd92c0f4bdde0ed08b36044 poppler-utils-0.12.4-4.el6_6.1.i686.rpm

x86_64:
8e8e76e53c0a4d9c2ed788c861c87febfcf47fef486a69ab6fbcf35b3458110d poppler-0.12.4-4.el6_6.1.i686.rpm
45380d87713a77213843d347de2f75a3f590266dafaa90364ccc642b731c8d0c poppler-0.12.4-4.el6_6.1.x86_64.rpm
5f95e17deba7a0ad146a869f4d92b43f9e793a1ba4423128d01cd6243dbff34e poppler-devel-0.12.4-4.el6_6.1.i686.rpm
782d8fb3d989c2e2696ea2170196e4e88b1fa16eab8a98dac46f92fcd20d6e37 poppler-devel-0.12.4-4.el6_6.1.x86_64.rpm
c7d016163896282784b4809f5eb7bd80f769eb963a09c19c70da5e11d6390374 poppler-glib-0.12.4-4.el6_6.1.i686.rpm
5c43eb94a9ab48b14d2e686537384e9cefa34e25a89b4e7ee717bcdceaf2a80a poppler-glib-0.12.4-4.el6_6.1.x86_64.rpm
cab1dea9ae253058c7710a6735c93c2ed7411dc8c3508ca8fb6bbdcc54e64561 poppler-glib-devel-0.12.4-4.el6_6.1.i686.rpm
3e01b811e994d1bf79be049c6e271e30b45666b207e8559c6bfc1a44a2a283c2 poppler-glib-devel-0.12.4-4.el6_6.1.x86_64.rpm
a25d43ed8a3b788aadc6823d2ff4d92802596dfd2581b26da001eab43086ff08 poppler-qt-0.12.4-4.el6_6.1.i686.rpm
5c543f1e90f5b67d462e18deec23ac3973069d9eff6d544177387e632b28c09d poppler-qt-0.12.4-4.el6_6.1.x86_64.rpm
38a390e5646075692625dd27d365a416ee18d1b6687a4e4a61449a77b512cf1d poppler-qt4-0.12.4-4.el6_6.1.i686.rpm
4a16705af06046de087e904cd4fa47d1c6ba17ddbec70dbe3cac5c5d4f96f710 poppler-qt4-0.12.4-4.el6_6.1.x86_64.rpm
2530f0f0908fd8dc9edbb48ecd63fa9d933759703d3dbaa6b5a90e7a1a60edca poppler-qt4-devel-0.12.4-4.el6_6.1.i686.rpm
ad816c4ac8c762eb8a86224210352074a5a75199d594fa49e4d10061429a711f poppler-qt4-devel-0.12.4-4.el6_6.1.x86_64.rpm
cedcdaed307c77deb0065432db5e938ca7f8f133365acfe6f1e4960ef14fbf82 poppler-qt-devel-0.12.4-4.el6_6.1.i686.rpm
fceee9f1a5be602e2c3ed6b44e9f0ad4e4e851c1ec734920d029bdadc5088354 poppler-qt-devel-0.12.4-4.el6_6.1.x86_64.rpm
1bedfd17f316dedc395a9a0a90e7f8237350f1bc223f8641b197a2069cc5bbe7 poppler-utils-0.12.4-4.el6_6.1.x86_64.rpm

Source:
865b1d2c28241190a131aace26b8eebfd481aa27e600e13bc80f6721d01ec157 poppler-0.12.4-4.el6_6.1.src.rpm