wireshark -- denial of service in DRDA dissector

RedHat security team reports:

A denial of service flaw was found in the way Distributed
Relational Database Architecture (DRDA) dissector of
Wireshark, a network traffic analyzer, performed processing
of certain DRDA packet capture files. A remote attacker
could create a specially-crafted capture file that, when
opened could lead to wireshark executable to consume
excessive amount of CPU time and hang with an infinite
loop.