Flaw bug created to hold information about an old flaw we knew something about. For more details see the MITRE CVE description.
MITRE description: fetchmail before 6.3.1 and before 6.2.5.5, when configured for multidrop mode, allows remote attackers to cause a denial of service (application crash) by sending messages without headers from upstream mail servers.
Statement: The Red Hat Security Response Team has rated this issue as having low security impact. An update is available for Red Hat Enterprise Linux 4 to correct this issue: http://rhn.redhat.com/errata/RHSA-2007-0018.html This issue did not affect Red Hat Enterprise Linux 2.1 and 3.