A vulnerability was reported in Wireshark. A remote user can send a specially crafted IKE packet to cause the IKEv1 dissector to enter an infinite loop. The vulnerability resides in the proto_tree_add_item() function in 'tshark.c'.
Not yet acknowledged by Wireshark upstream, no testing done yet to determine affected versions.
This issue does not affect the version of wireshark shipped with Red Hat Enterprise Linux 4, 5 and 6.
This is now acknowledged upstream:
and fixed via