The (1) tcltags or (2) vimspell.sh scripts in vim 6.3 allow local users to overwrite or create arbitrary files via a symlink attack on temporary files.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9402
https://exchange.xforce.ibmcloud.com/vulnerabilities/18870
https://bugzilla.fedora.us/show_bug.cgi?id=2343
http://www.redhat.com/support/errata/RHSA-2005-122.html
http://www.redhat.com/support/errata/RHSA-2005-036.html
http://securitytracker.com/id?1012938