What is Wireshark?
Wireshark is the world’s most popular network protocol analyzer. It is used for troubleshooting, analysis, development and education.
Wireshark is hosted by the Wireshark Foundation, a nonprofit which promotes protocol analysis education. Wireshark and the foundation depend on your contributions in order to do their work. If you or your organization would like to contribute or become a sponsor, please visit wiresharkfoundation.org.
What’s New
Bug Fixes
The following vulnerabilities have been fixed:
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wnpa-sec-2024-14 FiveCo RAP dissector infinite loop. Issue 20176.
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wnpa-sec-2024-15 ECMP dissector crash. Issue 20214.
The following bugs have been fixed:
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JA4_c hashes an empty field to e3b0c44298fc when it should be 000000000000. Issue 20066.
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SRT dissector: The StreamID (SID) in the handshake extension is displayed without regarding the control characters and with NUL as terminating. Issue 20113.
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Ghost error message on POP3 packets. Issue 20124.
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Building against c-ares 1.34 fails. Issue 20125.
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Wi-Fi: 256 Block Ack (BA) is not parsed properly. Issue 20156.
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HTTP2 body decompression fails on DATA with a single padded frame. Issue 20167.
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SIP dissector bug due to "be-route" param in VIA header. Issue 20173.
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Coredump after trying to open 'Follow TCP stream' Issue 20174.
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Protobuf JSON mapping error. Issue 20182.
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IEEE 802.11be: Wrong regulatory info in HE Operation IE in Beacon frame. Issue 20187.
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Wireshark crashes when a field is dragged from packet details towards the find input. Issue 20204.
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Lua DissectorTable("") : set ("10,11") unexpected behavior in locales with comma as decimal separator. Issue 20216.
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
ASN.1 PER, ECMP, FiveCo RAP, HSRP, HTTP/2, IEEE 802.11, MPEG PES, PN-DCP, POP, ProtoBuf, SIP, SRT, TCP, and UMTS RLC
New and Updated Capture File Support
There is no new or updated capture file support in this release.
Updated File Format Decoding Support
There is no updated file format support in this release.
Prior Versions
This document only describes the changes introduced in Wireshark 4.2.9. You can find release notes for prior versions at the following locations:
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 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 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 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 wiresharkfoundation.org.
Frequently Asked Questions
A complete FAQ is available on the Wireshark web site.