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:

  • Kafka dissector fails parsing FETCH responses. Bug 16623.

  • Dissector for ASTERIX Category 001 / 210 does not recognize bit 1 as extension. Bug 16662.

  • "invalid timestamp" for Systemd Journal Export Block. Bug 16664.

  • Decoding Extended Emergency number list IE length. Bug 16668.

  • Some macOS Bluetooth PacketLogger capture files aren’t recognized as PacketLogger files (regression, bisected). Bug 16670.

  • Short IMSIs (5 digits) lead to wrong decoding+warning. Bug 16676.

  • Decoding of PFCP IE 'PFD Contents' results in "malformed packet". Bug 16704.

  • RFH2 Header with 32 or less bytes of NameValue will not parse out that info. Bug 16733.

  • CDP: Port ID TLV followed by Type 1009 TLV triggers [Malformed Packet]. Bug 16742.

  • tshark crashed when processing opcda. Bug 16746.

  • tshark with --export-dicom gives “Segmentation fault (core dumped)”. Bug 16748.

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

ASTERIX, BSSAP, CDP, CoAP, DCERPC SPOOLSS, DCOM, DICOM, DVB-S2, E.212, GBCS, GSM RR, GSM SMS, IEEE 802.11, Kafka, MQ, Nano, NAS 5GS, NIS+, NR RRC, PacketLogger, PFCP, RTPS, systemd Journal, TDS, TN3270, and TN5250

New and Updated Capture File Support

PacketLogger and pcapng

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.

Getting Help

The User’s Guide, manual pages and various other documentation can be found at https://www.wireshark.org/docs/

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.

Bugs and feature requests can be reported on the bug tracker.

Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.

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