bug-of-the-month club: n. [from "book-of-the-month club", a
time-honored mail-order-marketing technique in the U.S.] A mythical
club which users of `sendmail(8)' (the UNIX mail daemon) belong to;
this was coined on the Usenet newsgroup comp.security.unix at a time
when sendmail security holes, which allowed outside crackers
access to the system, were being uncovered at an alarming rate,
forcing sysadmins to update very often. Also, more completely,
`fatal security bug-of-the-month club'.
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