Brian Carrier The Sleuth Kit (TSK) before 2.09 allows user-assisted remote attackers to cause a denial of service (application crash) and prevent examination of certain NTFS files via a malformed NTFS image that triggers (1) dereference of a certain integer value by ntfs_dent.c in fls, or (2) dereference of a certain other integer value by ntfs.c in fsstat.