Buffer Overflow Intro. ©2002, Jedidiah R. Crandall, Susan L. Gerhart, Jan G. Hogle.  http://sfsecurity.pr.erau.edu

Special numbers used as addresses are
also stored in mailboxes!

If a number, such as the one in his right hand in this example, is used to reference a mailbox by its address then that number is referred to as a pointer.

You guessed it, these pointers are also stored in mailboxes.