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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

The Windows installers now ship with Npcap 0.9997. They previously shipped with Npcap 0.9994.

The Windows installers now ship with Qt 5.12.9. They previously shipped with Qt 5.12.8.

Bug Fixes

The following vulnerabilities have been fixed:

  • wnpa-sec-2020-11 MIME Multipart dissector crash. Bug 16741. Fixed in master: 2411eae9ed Fixed in master-3.2: 21f082cb6e Fixed in master-3.0: 14e274f3be Fixed in master-2.6: 5803c7b87b

  • wnpa-sec-2020-12 TCP dissector crash. Bug 16816. Fixed in master: c4634b1e99 Fixed in master-3.2: e9b727595b Fixed in master-3.0: 7f3fe6164a Fixed in master-2.6: 9d7ab8b46f

  • wnpa-sec-2020-13 BLIP dissector crash. Bug 16866. Fixed in master: 4a94842710 Fixed in master-3.2: 594d312b12 Fixed in master-3.0: 2fb6002559 Fixed in master-2.6: n/a

The following bugs have been fixed:

  • HTTP dissector fails to display correct UTF-16 XML Bug 9069.

  • TFTP dissector does not track conversations correctly. Source file and Destination File redundant or disagree. Bug 10305.

  • Dissector skips DICOM command Bug 13110.

  • Editcap time adjustment doesn’t work when both infile and outfile are ERF Bug 16578.

  • dissect_tds7_colmetadata_token() has wrong return value if count is 0 Bug 16682.

  • "total block length …​ is too small" for Systemd Journal Export Block Bug 16734.

  • MNC 11 is showing Mobile Network Code (MNC): NTT DoCoMo Tokai Inc. (11) But its belonging to Rakuten Network Bug 16755.

  • DICOM object extraction: discrepancy between tshark and wireshark Bug 16771.

  • S1-U data forwarding info and S103 PDN data forwarding info IE’s showing improper value Bug 16777.

  • Wireshark crashes while opening a capture Bug 16780.

  • Changing preferences via Decode As does not call callback Bug 16787.

  • Decoding of PFCP IE 'Remote GTP-U Peer' is incorrect Bug 16805.

  • Ng-enb not decoded correctly for Target Identification IE for GTPV2 Bug 16822.

  • The client timestamp is parsed error for Google QUIC (version Q039) Bug 16839.

  • NAS-5G : PDU session reactivation result Bug 16842.

  • Wireshark fails to detect libssh >= 0.9.5 Bug 16845.

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

Aeron, AFP, BLIP, BSSMAP, C12.22, DICOM, E.212, GQUIC, GSM A RR, GTPv2, GVSP, IPX SAP, MIME Multipart, MMS, NAS-5GS, NCP, NDS, PFCP, PROFINET, Q.708, Q.933, RTCP, S1AP, TACACS+, TCP, TDS, TDS7, X2AP, and XML

New and Updated Capture File Support

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.