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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

We do not ship official 32-bit Windows packages for Wireshark 4.0 and later. If you need to use Wireshark on that platform, we recommend using the latest 3.6 release. Issue 17779

If you’re running Wireshark on macOS and upgraded to macOS 13 from an earlier version, you might have to open and run the “Uninstall ChmodBPF” package, then open and run “Install ChmodBPF” in order to reset the ChmodBPF Launch Daemon. Issue 18734.

Bug Fixes

The following vulnerabilities have been fixed:

The following bugs have been fixed:

  • Capture start fails when file set enabled and file extension not supplied if directory contains a period. Issue 14614.

  • Cannot drag and move custom filter buttons in toolbar. Issue 19447.

  • sshdump fails to connect with private key (ssh-rsa) Issue 19510.

  • Can’t open a snoop file from the Open dialog box unless I select "All files" as the file type. Issue 19565.

  • Updater for 4.2.1 hangs. Issue 19568.

  • Incorrect recursion depth assert failure when dissecting a legitimate GOOSE message. Issue 19580.

  • TFTP dissector bug type listed as netscii instead of netascii doesn’t show all TFTP packets including TFTP blocks. Issue 19589.

  • ciscodump - older SSH key exchange algorithms not supported. Issue 19594.

  • CFLOW: failure to decode 0 length data fields of IPFIX variable length data types. Issue 19605.

New and Updated Features

There are no new or updated features in this release.

New Protocol Support

There are no new protocols in this release.

Updated Protocol Support

CFLOW, CMIP, DAP, DISP, GLOW, GOOSE, H.225, H.245, H.248, IEEE 1609.2, IPv4, IPv6, ISUP, ITS, Kerberos, LDAP, MMS, P22, P7, PARLAY, RSVP, RTMPT, SOME/IP, TCP, TFTP, X.509if, X.509sat, X11, Z39.50, and ZigBee Green Power

New and Updated Capture File Support

New File Format Decoding Support

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

Prior Versions

This document only describes the changes introduced in Wireshark 4.0.13. You can find release notes for prior versions at the following locations:

Getting Wireshark

Wireshark source code and installation packages are available from

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 Help  About Wireshark  Folders or tshark -G 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

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 issue tracker.

You can learn protocol analysis and meet Wireshark’s developers at SharkFest.

How You Can Help

The Wireshark Foundation helps as many people as possible understand their networks as much as possible. You can find out more and donate at

Frequently Asked Questions

A complete FAQ is available on the Wireshark web site.