cpio, as used in build 2007.05.10, 2010.07.28, and possibly other versions, allows remote attackers to overwrite arbitrary files via a symlink within an RPM package archive.
https://bugzilla.novell.com/show_bug.cgi?id=665768
http://support.novell.com/security/cve/CVE-2010-4226.html
http://lists.opensuse.org/opensuse-updates/2011-03/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html