CentOS Errata and Security Advisory 2016:1809 Important
Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-1809.html
The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename )
i386: 4cb84a2e017f0e5ed15f2c76e633f1ed84c23d466fb11c856847cbd3e49a3533 thunderbird-45.3.0-1.el5.centos.i386.rpm
x86_64: 5ef01b379661dcf482838ccac167aeb9fca091b6fa2cfab1ca0a0facf3d41523 thunderbird-45.3.0-1.el5.centos.x86_64.rpm
Source: f6a805f44b19087570cae54f6790916279351bf878bd9f51f742bd7175803877 thunderbird-45.3.0-1.el5.centos.src.rpm