Buffer overflow in the Network Block Device (nbd) server 2.7.5 and earlier, and 2.8.0 through 2.8.2, allows remote attackers to execute arbitrary code via a large request, which is written past the end of the buffer because nbd does not account for memory taken by the reply header.
http://www.securityfocus.com/bid/16029
http://www.gentoo.org/security/en/glsa/glsa-200512-14.xml
http://www.debian.org/security/2005/dsa-924
http://sourceforge.net/project/shownotes.php?release_id=380210&group_id=13229
http://sourceforge.net/project/shownotes.php?release_id=380202&group_id=13229
http://sourceforge.net/mailarchive/forum.php?thread_id=9201144&forum_id=40388
http://secunia.com/advisories/43610
http://secunia.com/advisories/43353
http://secunia.com/advisories/18503
http://secunia.com/advisories/18315
http://secunia.com/advisories/18209
http://secunia.com/advisories/18171