The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate attackers to cause a denial of service (memory consumption) via a crafted MSDOS partition table with an extended partition boot record at zero offset.
https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?id=7164a1c3
http://www.securitytracker.com/id/1036272
http://www.securityfocus.com/bid/91683
http://www.openwall.com/lists/oss-security/2016/07/11/2
http://www-01.ibm.com/support/docview.wss?uid=nas8N1021801