Yes.  I can't try it on Dapper but looking at Dapper's nn-6.7.2 source I
see they've altered the code to initialise stp to NULL but it still
doesn't get set to anything useful unless the while-loop body is
executed at least once.  Despite this, after the while-loop the code
does `stp->n.next = NULL;' which dereferences a NULL pointer.  Kaboom!

** Changed in: nn (Ubuntu)
       Status: Needs Info => Confirmed

-- 
nn suffers segv after empty NNTP LIST reply from sn.
https://launchpad.net/bugs/1286

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