The ntfs-3g package before 1.913-2.fc7 in Fedora 7, and an ntfs-3g package in Ubuntu 7.10/Gutsy, assign incorrect permissions (setuid root) to mount.ntfs-3g, which allows local users with fuse group membership to read from and write to arbitrary block devices, possibly involving a file descriptor leak.
https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00368.html
https://www.redhat.com/archives/fedora-desktop-list/2007-September/msg00163.html