Download Wireshark 4.2.3

Version 4.2.3 of the open source protocol analyzer and packet sniffer Wireshark has been released. This program can be used to analyze various data packets and network protocols on the network. The program can also use previously saved data traffic as input. Wireshark can be downloaded for 64bit versions of Windows and macOS. The source code is available for use on Linux, Solaris and *BSD. In version 4.2.0 we find, among other things, a dark mode under Windows, there is a download for the Arm version of Windows and many protocols have been added or updated. The following changes and improvements have also been made in version 4.2.3:

The following bugs have been fixed:

• Capture start fails when file set enabled and file extension not supplied if directory contains a period. Issue 14614.
• Cannot drag and move custom filter buttons in toolbar. Issue 19447.
• Not equal won't work when used with wlan.addr. Issue 19449.
• sshdump fails to connect with private key (ssh-rsa) Issue 19510.
• ChmodBPF installation fails on macOS Sonoma 14.1.2. Issue 19527.
• Windows installers should check for Windows 8.1. Issue 19569.
• Fuzz job crash output: fuzz-2024-01-05-7725.pcap. Issue 19570.
• Fuzz job crash output: fuzz-2024-01-06-7734.pcap. Issue 19578.
• Incorrect recursion depth assert failure when dissecting a legitimate GOOSE message. Issue 19580.
• OPC UA – large read request is reported as malformed in 4.2.1 but not in 4.0.12. Issue 19581.
• TFTP dissector bug type listed as netscii instead of netascii doesn't show all TFTP packets including TFTP blocks. Issue 19589.
• SMB1 replies from LAN Drive app only show up as NBSS Continuation Message. Issue 19593.
• ciscodump – older SSH key exchange algorithms not supported. Issue 19594.
• Problem decoding LAPB/X.25/FTAM after adding X.75 decoding. Issue 19595.
• Wireshark Filter not working. Issue 19604.
• CFLOW: failure to decode 0 length data fields of IPFIX variable length data types. Issue 19605.
• Copy …​as Printable Text Feature Missing in 4.1/4.2. Issue 19607.
• Export Objects – HTTP is missing some HTTP/2 files in a two-pass analysis. Issue 19609.
• ASAM-CMP Plugin: Malformed message, length mismatch if vendor defined data of status messages has odd length. Issue 19626.
• OSS-Fuzz 66561: wireshark:fuzzshark_ip_proto-udp: Null dereference READ in wmem_map_lookup. Issue 19642.

Updated Protocol Support

• ASAM CMP
• CAN
• CFLOW
• CMIP
• CMP
• DAP
• DICOM
• DISP
• E2AP
• GLOW
• GOOSE
• GTP
• GTPv2
• H.225
• H.245
• H.248
• HTTP2
• IEEE 1609.2
• IEEE 1722
• IPv4
• IPv6
• ISO 15765
• ISUP
• ITS
• Kerberos
• LDAP
• MMS
• NBT
• NRUP
• openSAFETY
• P22
• P7
• PARLAY
• RTMPT
• RTP
• SCSI
• SOME/IP
• T.38
• TCP
• TECMP
• TFTP
• WOW
• X.509if
• X.509sat
• X.75
• X11
• Z39.50
• ZigBee Green Power

New and Updated Capture File Support

• pcap
• pcapng

The following downloads are available:
Wireshark 4.2.3 for Windows (64bit)
Wireshark 4.2.3 for Windows (Arm)
Wireshark 4.2.3 for Portable Apps
Wireshark 4.2.3 for macOS (Arm, 64bit)
Wireshark 4.2.3 for macOS (Intel, 64bit)
Wireshark 4.2.3 source code for Linux, Solaris and *BSD, among others