Directory traversal vulnerability in Dzip before 2.9 allows remote attackers to create arbitrary files via a filename containing a .. (dot dot) in a .dz archive.
http://www.vupen.com/english/advisories/2005/0692
http://www.gentoo.org/security/en/glsa/glsa-200506-03.xml
http://secunia.com/advisories/15614