Unspecified vulnerability in Dovecot 1.2.x before 1.2.11 allows remote attackers to cause a denial of service (CPU consumption) via long headers in an e-mail message.
https://bugzilla.redhat.com/show_bug.cgi?id=572268
http://www.vupen.com/english/advisories/2010/1226
http://www.vupen.com/english/advisories/2010/1107
http://www.openwall.com/lists/oss-security/2010/03/10/6
http://www.mandriva.com/security/advisories?name=MDVSA-2010:104
http://security-tracker.debian.org/tracker/CVE-2010-0745
http://marc.info/?l=oss-security&m=127013715227551&w=2
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
http://dovecot.org/pipermail/dovecot/2010-February/047190.html