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-2019-22 CMS dissector crash. Bug 15961. CVE-2019-19553.
The following bugs have been fixed:
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Support for 11ax in PEEKREMOTE. Bug 15740.
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The temporary file … could not be opened: Invalid argument. Bug 15751.
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NET-SNMP EngineID Length handling Warning. Bug 16051.
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Display Filter Area: Dropdown Missing pkt_comment and tcp.options.sack_perm (likely others). Bug 16130.
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BGP Linkstate IP Reachability information is incorrect. Bug 16144.
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HomePlug AV dissector: MMTYPE and FMI fields are dissected incorrectly. Bug 16158.
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JPEG files cannot be saved on Windows with french language. Bug 16165.
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X11 --display interpreted as --display-filter which maps to -Y option. Bug 16167.
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tshark -T ek -x causes get_field_data: code should not be reached. Bug 16218.
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Crash on Go → Next/Previous Packet in Conversation when no packet is selected. Bug 16228.
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
BGP, CMS, HomePlug AV, IEEE 802.11, and SNMP
New and Updated Capture File Support
There is no new or updated capture file support in this release.
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.
Frequently Asked Questions
A complete FAQ is available on the Wireshark web site.