CentOS Errata and Security Advisory 2016:1392 Important
Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-1392.html
The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename )
x86_64: c86b3d368508a59cd16d64e04a1bc193d775c7fbd451fc13d7a7c2f7c1a23043 thunderbird-45.2-1.el7.centos.x86_64.rpm
Source: 0afe6ca8e844277a55e85ad18c97c5bc1f3554c517181d4711904ac434947f08 thunderbird-45.2-1.el7.centos.src.rpm