What is Wireshark?

Wireshark is the world’s most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.

What’s New

Bug Fixes

The following vulnerabilities have been fixed:

The following bugs have been fixed:

  • Wireshark 2.6.3 crashes in QIcon destructor on closing the main window on Ubuntu 14.04 and 16.04. Bug 15241.

  • RSL dissector bugs in presence of optional IEs. Bug 15789.

  • The "Media Attribute Value" field is missed in rtcp SDP dissection (packet-sdp.c). Bug 15791.

  • BTLE doesn’t properly detect start fragment of L2CAP PDUs. Bug 15807.

  • tshark: Display filter error message references "-d" when it should reference "-Y". Bug 15825.

  • Open "protocol" preferences …​ does not work for protocol in subtree. Bug 15836.

  • Problems with sshdump "Error by extcap pipe: sh: sudo: command not found". Bug 15845.

  • editcap won’t change encapsulation type when writing pcap format. Bug 15873.

New and Updated Features

There are no new features in this release.

New Protocol Support

There are no new protocols in this release.

Updated Protocol Support

ASN.1, BTLE, CUPS, DNS, DPNSS, GSM RLC/MAC, HiQnet, ISObus VT, MAC LTE, MIME multipart, MQ, RSL, SDP, SMB, and TNEF

New and Updated Capture File Support

Ascend

New and Updated Capture Interfaces support

There is no new or updated capture file support in this release.

Getting Wireshark

Wireshark source code and installation packages are available from https://www.wireshark.org/download.html.

Vendor-supplied Packages

Most Linux and Unix vendors supply their own Wireshark packages. You can usually install or upgrade Wireshark using the package management system specific to that platform. A list of third-party packages can be found on the download page on the Wireshark web site.

File Locations

Wireshark and TShark look in several different locations for preference files, plugins, SNMP MIBS, and RADIUS dictionaries. These locations vary from platform to platform. You can use About→Folders to find the default locations on your system.

Known Problems

The BER dissector might infinitely loop. Bug 1516.

Capture filters aren’t applied when capturing from named pipes. Bug 1814.

Filtering tshark captures with read filters (-R) no longer works. Bug 2234.

Application crash when changing real-time option. Bug 4035.

Wireshark and TShark will display incorrect delta times in some cases. Bug 4985.

Wireshark should let you work with multiple capture files. Bug 10488.

Getting Help

Community support is available on Wireshark’s Q&A site and on the wireshark-users mailing list. Subscription information and archives for all of Wireshark’s mailing lists can be found on the web site.

Official Wireshark training and certification are available from Wireshark University.

Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.

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