Multiple serious vulnerabilities have been found in Wireshark. Malicious users can exploit these vulnerabilities to cause denial of service. These vulnerabilities can be exploited remotely via a specially designed files or packets.

Below is a complete list of vulnerabilities

1. Lack of certain length values size OpenFlow dissector;
2. Infinite loop at DTN dissector;
3. An improper handling of signature variable state tracking at AllJoyn dissector;
4. An improper private strings handling at DCERPC dissector;
5. Lack of I/O objects restrictions at Profinet I/O dissector.

Wireshark 2.2 versions earlier than 2.2.2
Wireshark 2.0 versions earlier than 2.0.8

Update to the latest version
Wireshark download page

Wireshark foundation security advisories list