The ndeb-binary feature in Lookup (lookup-el) allows local users to overwrite arbitrary files via a symlink attack on temporary files.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33052
http://www.securitytracker.com/id?1017792
http://www.securityfocus.com/bid/23026
http://www.debian.org/security/2007/dsa-1269
http://security.gentoo.org/glsa/glsa-200712-07.xml
http://secunia.com/advisories/28023
http://secunia.com/advisories/24590