[exim-dev] [Bug 399] verify=helo segfaults if no sender host…

http://www.exim.org/bugzilla/show_bug.cgi?id=399





------- Additional Comments From masta@??? 2006-10-18 09:54 -------
I have not checked it, but from browsing the source I would say it crashes in
dns_build_reverse on
uschar *p = string + Ustrlen(string);

being called via acl_verify -> host_name_lookup string will be the
sender_host_address, that is never checked for being NULL.



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