CentOS Errata and Security Advisory 2015:1852 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2015-1852.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) x86_64: 6b68d2bb04d8846ddc2d6a2dbfd01945c8444c222c98bf2cdb7cfd43cc24d874 thunderbird-38.3.0-1.el7.centos.x86_64.rpm Source: de2c73cc73604af6f7b8a389b5f2f3b4ce3fc7e122427b67f2bb55d279333337 thunderbird-38.3.0-1.el7.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos at irc.freenode.net