epan/dissectors/packet-gsm_a_dtap.c in the GSM DTAP dissector in Wireshark 1.12.x before 1.12.6 does not properly validate digit characters, which allows remote attackers to cause a denial of service (application crash) via a crafted packet, related to the de_emerg_num_list and de_bcd_num functions.
http://lists.opensuse.org/opensuse-updates/2015-07/msg00020.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11201
https://security.gentoo.org/glsa/201510-03
http://www.debian.org/security/2015/dsa-3294