The world`s foremost network protocol analyzer for Windows

Wireshark (64-bit)

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Wireshark 4.2.1 (64-bit)

  -  82.3 MB  -  Freeware
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Wireshark 4.2.1 (64-bit).


For those interested in downloading the most recent release of Wireshark (64-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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Download Wireshark 4.2.1 (64-bit)

  • Wireshark 4.2.1 (64-bit) Screenshots

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    Wireshark 4.2.1 (64-bit) Screenshot 1
  • Wireshark 4.2.1 (64-bit) Screenshot 2
  • Wireshark 4.2.1 (64-bit) Screenshot 3
  • Wireshark 4.2.1 (64-bit) Screenshot 4
  • Wireshark 4.2.1 (64-bit) Screenshot 5

What's new in this version:

Fixed:
The following bugs have been fixed:
- Capture filters not saved to recently used list
- CFM dissector does not handle Sender ID TLV correctly when Chassis ID Length is zero
- OSS-Fuzz 64290: wireshark:fuzzshark_ip: Global-buffer-overflow in dissect_zcl_read_attr_struct
- Overriding capture options set by preference by command line arguments (like -S) doesn’t work
- Segfault when enabling monitor mode on wireless card that falsely claims to support it
- Documented format of temporary file name is out of date in the Wireshark User’s Guide
- Selection highlight lost when interface list is sorted
- HTTP3 malformed packets
- Capture filter compilation fails with obscure error message
- XML: Parsing encoding attribute failed when standalone attribute exists
- Display filter expressions where the protocol name starts with digit and contains a hyphen are rejected
- diameter.3GPP-* display filters not working after upgrade to version 4.2.0
- GigE-vision: Control Protocol shows "unknown" as value for ASCII character set
- The HTTP/3 Request Header URI is not correct
- QUIC/TLS not extracting "h3" from ALPN in a capture
- Documentation on system requirements should be updated
- 4.2.0: init.lua in subdirectories not loaded anymore
- Malformed SIP/SDP messages: components are not decoded properly
- heuristic_protos do not reset on profile swap
- Wireshark 4.2 crashes on Apply As Column
- NFLOG timestamp is incorrect
- Qt6 Crash (Double Free) When Attempting to Save TCP Stream Graph
- Fixed parsing display filter expressions containing literal OID values, e.g. snmp.name == 1.3.6.1.2.1.1.3.0

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