The following updates has been released for CentOS:

CESA-2018:1669 Important CentOS 6 libvirt Security Update
CESA-2018:1700 Important CentOS 7 procps-ng Security Update
CESA-2018:1725 Important CentOS 7 thunderbird Security Update
CESA-2018:1726 Important CentOS 6 thunderbird Security Update

CESA-2018:1669 Important CentOS 6 libvirt Security Update

CentOS Errata and Security Advisory 2018:1669 Important

Upstream details at : https://access.redhat.com/errata/RHSA-2018:1669

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

i386:
b610a0cdd582a0779276b188535598912b32be32be2adca7b1afe104c8d78379 libvirt-0.10.2-62.el6_9.2.i686.rpm
54180e6c4595bf0e290b7a12314915b6120db28c39a59b1a220f81f69adda157 libvirt-client-0.10.2-62.el6_9.2.i686.rpm
171fca1796ff1601f4d016c4ea625c1249f41cb9b778890432c3d15ba5839885 libvirt-devel-0.10.2-62.el6_9.2.i686.rpm
4cc911e928c1380e50c0031dc1480e87b47446cb8c4ecc86cabb76a42a4acff9 libvirt-python-0.10.2-62.el6_9.2.i686.rpm

x86_64:
7a500c9defadaf86cff861dea95131844878f22db21bac514cca586f451843ba libvirt-0.10.2-62.el6_9.2.x86_64.rpm
54180e6c4595bf0e290b7a12314915b6120db28c39a59b1a220f81f69adda157 libvirt-client-0.10.2-62.el6_9.2.i686.rpm
cf795358a79ea56915448eea60244b7cbb72680c2203eb8e91821c064b3ff483 libvirt-client-0.10.2-62.el6_9.2.x86_64.rpm
171fca1796ff1601f4d016c4ea625c1249f41cb9b778890432c3d15ba5839885 libvirt-devel-0.10.2-62.el6_9.2.i686.rpm
55df977e30870cf990fca89705096054ff3ce3e5f423bb6c552f2f0006f84b33 libvirt-devel-0.10.2-62.el6_9.2.x86_64.rpm
391a924272f63ddc5b90fc52791c4ce973ab49c719db3303642b1ea4ba2fa499 libvirt-lock-sanlock-0.10.2-62.el6_9.2.x86_64.rpm
345007a14dcd10c2ceb37728ac9e58779a8ee105bd531914eb346ba57e968564 libvirt-python-0.10.2-62.el6_9.2.x86_64.rpm

Source:
465a35ac66847c7904228790a220954706516fb0059a755e15d413762f5ebbbd libvirt-0.10.2-62.el6_9.2.src.rpm

CESA-2018:1700 Important CentOS 7 procps-ng Security Update

CentOS Errata and Security Advisory 2018:1700 Important

Upstream details at : https://access.redhat.com/errata/RHSA-2018:1700

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

x86_64:
f7ce2dcac6c044bca70128514f82e0039005965b8003813b54b182708d348d1f procps-ng-3.3.10-17.el7_5.2.i686.rpm
b10b314b91ffea6bd5b39eafde1f63a2571dd8a022b0efd4f27f1a3f20eeebc0 procps-ng-3.3.10-17.el7_5.2.x86_64.rpm
21b89e00a7b3ef4d2a2e216e6bae77d839387271d41a247fd9781e0fa87fdb55 procps-ng-devel-3.3.10-17.el7_5.2.i686.rpm
76b4c3d1b5e5d282be0026c9e4808ecec80c4f2a8b86da112211cc9a6cdc5121 procps-ng-devel-3.3.10-17.el7_5.2.x86_64.rpm
9155609095d37a35378a6760aab38aeccba5460f3a418dd152943ef1ec4cc95b procps-ng-i18n-3.3.10-17.el7_5.2.x86_64.rpm

Source:
74810c84d2255436d8b2f71749ffafad0049eeb7b2211ddd8262c4763953a374 procps-ng-3.3.10-17.el7_5.2.src.rpm

CESA-2018:1725 Important CentOS 7 thunderbird Security Update

CentOS Errata and Security Advisory 2018:1725 Important

Upstream details at : https://access.redhat.com/errata/RHSA-2018:1725

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

x86_64:
03bbdeffc4422496880b27bb11e5df1655fef35cfa73e077e5287c8fc9ae1a7d thunderbird-52.8.0-1.el7.centos.x86_64.rpm

Source:
7b60d65b3c9af35163a27d61857569256a7781520d2acd62fc18bc2ddce46e79 thunderbird-52.8.0-1.el7.centos.src.rpm

CESA-2018:1726 Important CentOS 6 thunderbird Security Update

CentOS Errata and Security Advisory 2018:1726 Important

Upstream details at : https://access.redhat.com/errata/RHSA-2018:1726

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

i386:
619f117cf6f29ce18011d618d045e262071424a375f12e32f7697be3f021ebaa thunderbird-52.8.0-2.el6.centos.i686.rpm

x86_64:
45696980f0db331a6b8eaa1512a13b558636701dbdc56fab68cd34d77a147d54 thunderbird-52.8.0-2.el6.centos.x86_64.rpm

Source:
fe0ca19281faf69a48243ff883333b8fad2e8196e1413f6289465146d2f812ec thunderbird-52.8.0-2.el6.centos.src.rpm