Integer overflow in the dissect_tnef function in epan/dissectors/packet-tnef.c in the TNEF dissector in Wireshark 1.10.x before 1.10.13 and 1.12.x before 1.12.4 allows remote attackers to cause a denial of service (infinite loop) via a crafted length field in a packet.
http://advisories.mageia.org/MGASA-2015-0117.html
http://lists.opensuse.org/opensuse-updates/2015-03/msg00038.html
http://rhn.redhat.com/errata/RHSA-2015-1460.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11023
https://security.gentoo.org/glsa/201510-03
http://www.debian.org/security/2015/dsa-3210
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html