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:

  • [oss-fuzz] ERROR: Adding ospf.v3.prefix.options.nu would put more than 1000000 items in the tree — possible infinite loop. Bug 14978.

  • Help file doesn’t display for extcap interfaces. Bug 15592.

  • Statistics→Conversations→TCP→Follow Stream - incorrect behavior. Bug 15672.

  • Wrong NTP timestamp for RTCP XR RR packets (hf_rtcp_xr_timestamp field). Bug 15687.

  • ws_pipe: leaks pipe handles on errors. Bug 15689.

  • ISAKMP: Segmentation fault with non-hex string for IKEv1 Decryption Table Initiator Cookie. Bug 15709.

  • print.c: Memory leak in ek_check_protocolfilter. Bug 15758.

  • Bacnet(app): fix wrong value for id 183 (logging-device → logging-object). Bug 15767.

  • The SMB2 code to look up decryption keys by session ID assumes it’s running on a little-endian machine. Bug 15772.

  • tshark -G folders leaves mmdbresolve process behind. Bug 15777.

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

BACapp, DDP, Frame, IEEE 802.11, IS-IS CLV, RTCP XR RR, and SMB2

New and Updated Capture File Support


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.