Download Wireshark 3.4.2

Version 3.4.2 of the open source protocol analyzer and packet niffer Wireshark has been released, a development version. With this program, various data packets and network protocols on the network can be analyzed. The program can also use previously saved data traffic as input. Wireshark runs on Windows, Linux, and macOS, with separate downloads for 32bit and 64bit versions of the operating systems. The changelog for this release shows the following changes and improvements:

The following vulnerabilities have been fixed:

• wnpa-sec-2020-20 QUIC dissector crash Bug 17073.

The following bugs have been fixed:

• IETF QUIC TLS decryption errors when packets are coalesced with random data Bug 16914.
• QUIC: missing dissection of some coalesced SH packets Bug 17011.
• macos-setup.sh can’t find SDK on macOS Big Sur, as it went to 11 Bug 17043.
• Mapping endpoints in browser ⇒ Map file error Bug 17074.
• Wireshark 3.4.1 hangs on startup on macOS Big Sur 11.0.1 Bug 17075.
• False expect error seen on FCoE frames (not seen with older release wireshark 1.2.18) Bug 17084.
• Several libraries missing in 3.4.1 and 3.2.9 installers for macOS Bug 17086.

Updated Protocol Support

• DOCSIS
• FC-dNS
• FC-SWILS
• FCoE
• QUIC
• SNMP
• USBHID

The following downloads are available:
Wireshark 3.4.2 for Windows (32bit)
Wireshark 3.4.2 for Windows (64bit)
Wireshark 3.4.2 for PortableApps
Wireshark 3.4.2 for macOS 10.12 and above (64bit)
Wireshark 3.4.2 source code for Linux, Solaris and *BSD among others