CentOS Errata and Security Advisory 2017:1561 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2017-1561.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 70a45d6a3b92b5c9970257d149ca4fa4428d62c75e245299563d61a10aec037e thunderbird-52.2.0-1.el6.centos.i686.rpm x86_64: 7b777b66db9c43a40e63cfd7e61bb8c73cc0aa39c039e9498723e4f6c805f651 thunderbird-52.2.0-1.el6.centos.x86_64.rpm Source: 72733c2edb7195559579b6aa2340c22b2dedbb66f4c6f1f92882a29afed40969 thunderbird-52.2.0-1.el6.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos at irc.freenode.net Twitter: @JohnnyCentOS