The world`s foremost network protocol analyzer for Windows

Wireshark (64-bit)

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Wireshark 3.4.3 (64-bit)

  -  58.6 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 3.4.3 (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 3.4.3 (64-bit)

  • Wireshark 3.4.3 (64-bit) Screenshots

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    Wireshark 3.4.3 (64-bit) Screenshot 1
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  • Wireshark 3.4.3 (64-bit) Screenshot 4
  • Wireshark 3.4.3 (64-bit) Screenshot 5

What's new in this version:

- The Windows installers now ship with Npcap 1.10. They previously shipped with Npcap 1.00

Fixed:
The following vulnerabilities have been fixed:
- wnpa-sec-2021-01 USB HID dissector memory leak
- wnpa-sec-2021-02 USB HID dissector crash

The following bugs have been fixed:
- SIP response single-line multiple Contact-URIs decoding error
Adding filter while "Telephony?VoIP Calls?Flow Sequence" open causes OOB memory reads and - potential crashes.
- QUIC packet not fully dissected
- SOMEIP-SD hidden entries are off
- Problem with calculation on UDP checksum in SRv6
- Dark mode not working in Wireshark 3.4.2 on macOS
- Wireshark 3.4.0: build failure on older MacOS releases, due to 'CLOCK_REALTIME'
- TECMP: Status Capture Module messages shows 3 instead of 2 bytes for HW version
- Documentation - editorial error - README.dissector bad reference
- Cannot save capture with comments to a format that doesn’t support it (no pop-up)
- AUTOSAR-NM: PNI TF-String wrong way around
- Fibre Channel parsing errors even with the fix for #17084
- f5ethtrailer: Won’t find a trailer after an FCS that begins with a 0x00 byte
f5ethtrailer: legacy format, low noise only, no vip name trailers no longer detected
- Buildbot crash output: fuzz-2021-01-22-3387835.pcap
- Dissection error on large ZVT packets
- TShark crashes with -T ek option

Updated Protocol Support:
- AUTOSAR-NM, DHCPv6, DoIP, FC ELS, GQUIC, IPv6, NAS 5GS, NAS EPS, QUIC, SIP, SOME/IP-SD, TECMP, TLS, TPNCP, USB HID, and ZVT

New and Updated Capture File Support:
- f5ethtrailer and pcapng

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