CentOS Errata and Security Advisory 2017:1201 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2017-1201.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: f2ec0d231aa5e854886bb0184715eeac1131a027e8707cbe9918a650f0631476 thunderbird-52.1.0-1.el7.centos.x86_64.rpm Source: f4c72f9e6a3c34b11c1e09ad6ccab0652af776db61caa0888680ad2cc41d503f thunderbird-52.1.0-1.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos at irc.freenode.net Twitter: @JohnnyCentOS