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 ) x86_64: 9e268e52bbc826c0e2ad4ee804b95db2b3c874a4f96658c15fda3b79d84bda3c thunderbird-52.2.0-1.el7.centos.x86_64.rpm Source: 802b57f128068ba42e4a6fa556756730a292ead0e63abaa7f8912af50d0f5171 thunderbird-52.2.0-1.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos at irc.freenode.net Twitter: @JohnnyCentOS