CentOS Errata and Security Advisory 2011:0887 Critical
Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-0887.html
The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename )
i386: 092ecd00becfd2155a8d42f99b19f9a0 thunderbird-2.0.0.24-18.el5.centos.i386.rpm
Source: bf2c5caa5c02b16210d259c8ba03144a thunderbird-2.0.0.24-18.el5.centos.src.rpm