CentOS Errata and Security Advisory 2017:0498 Important
Upstream details at : https://rhn.redhat.com/errata/RHSA-2017-0498.html
The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename )
x86_64: a0b3b41571f8e3bcd493b4e7eb723f6fb71e6a34ffa76411937bcdb12e89a0d6 thunderbird-45.8.0-1.el7.centos.x86_64.rpm
Source: e1470568b06fe689923e752a97e06146bcc13009c7bb8c0ff8ce345c527499d7 thunderbird-45.8.0-1.el7.centos.src.rpm