The dissect_sdp function in epan/dissectors/packet-sdp.c in the SDP dissector in Wireshark 1.12.x before 1.12.9 does not prevent use of a negative media count, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
www.debian.org/security/2016/dsa-3505
www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
www.securityfocus.com/bid/79816
www.securitytracker.com/id/1034551
bugs.wireshark.org/bugzilla/show_bug.cgi?id=9887
code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=2ddd92b6f8f587325b9e14598658626f3a007c5c
security.gentoo.org/glsa/201604-05
www.wireshark.org/security/wnpa-sec-2015-36.html