CentOS Errata and Security Advisory 2011:0474 Critical
Upstream details at : http://rhn.redhat.com/errata/RHSA-2011-0474.html
The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename )
x86_64: 083987e51c47be6f06c0f45f00592b14 thunderbird-1.5.0.12-38.el4.centos.x86_64.rpm
Source: 22c38da5407e94af58cc1094e3e01785 thunderbird-1.5.0.12-38.el4.centos.src.rpm