w_export.c in XWine 1.0.1 on Debian GNU/Linux sets insecure permissions (0666) for /etc/wine/config, which might allow local users to execute arbitrary commands or cause a denial of service by modifying the file.

w_editeur.c in XWine 1.0.1 for Debian GNU/Linux allows local users to overwrite or print arbitrary files via a symlink attack on the temporaire temporary file. NOTE: some of these details are obtained from third party information.