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:
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wnpa-sec-2021-16 Gryphon dissector crash. Issue 17737. CVE-2021-4186.
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wnpa-sec-2021-17 RTMPT dissector infinite loop. Issue 17745. CVE-2021-4185.
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wnpa-sec-2021-18 BitTorrent DHT dissector infinite loop. Issue 17754. CVE-2021-4184.
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wnpa-sec-2021-20 RFC 7468 file parser infinite loop. Issue 17801. CVE-2021-4182.
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wnpa-sec-2021-21 Sysdig Event dissector crash. CVE-2021-4181.
The following bugs have been fixed:
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43 test case failed in Ubuntu Build action Issue 17730.
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5GS TAI not correctly decoded for GTPv2 Issue 17738.
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Can’t install "ChmodBPF.pkg" or "Add Wireshark to the system path.pkg" on M1 MacBook Air Monterey without Rosetta 2 Issue 17757.
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Unable to build without tshark Issue 17766.
New and Updated Features
New Protocol Support
There are no new protocols in this release.
Updated Protocol Support
AT, BT LE LL, BT-DHT, EVS, FF, Gryphon, GTPv2, MKA, RTMPT, RTSP, SRVLOC, and Sysdig Event
New and Updated Capture File Support
RFC 7468
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.
Issues and feature requests can be reported on the issue tracker.
Frequently Asked Questions
A complete FAQ is available on the Wireshark web site.