The dissect_tds7_colmetadata_token function in epan/dissectors/packet-tds.c in the TDS dissector in Wireshark 2.0.x before 2.0.1 does not validate the number of columns, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) via a crafted packet.
www.securityfocus.com/bid/79382
www.securitytracker.com/id/1034551
www.wireshark.org/security/wnpa-sec-2015-58.html
bugs.wireshark.org/bugzilla/show_bug.cgi?id=11846
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e78093f69f1e95df919bbe644baa06c7e4e720c0
security.gentoo.org/glsa/201604-05