CentOS Errata and Security Advisory 2009:0258 Moderate
Upstream details at : https://rhn.redhat.com/errata/RHSA-2009-0258.html
The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename )
x86_64: 2dcbcbe103f6ce6f911263439ef9e04e thunderbird-2.0.0.21-1.el5.centos.x86_64.rpm
Source: 7f0fc0f612aafbd06f1f1fc389d0ebca thunderbird-2.0.0.21-1.el5.centos.src.rpm