Wireshark 4.6.6 Is Out with Updated Protocol Support and Bug Fixes

Posted by hanuca on May 23, 2026 5:56 PM EDT
9to5linux.com; By Marcus Nestor
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Wireshark 4.6.6 open-source network protocol analyzer is now available for download with updated protocol and capture file support, as well as various bug fixes.

Wireshark 4.6.6 is here three weeks after Wireshark 4.6.5 to update support for the BACapp, BPv7, DB/IB GDS DB, Kafka, MACsec, PFCP, RF4CE, ROHC, RTPS-VT, SAPHDB, and SIP protocols, and update support for the JSON and VeriWave capture files.

An interesting change is support for searching extcap binaries under the libexec directory by default on UN*X systems (e.g., /usr/libexec/wireshark/extcap instead of /usr/lib64/wireshark/extcap). The location can be overridden via the WIRESHARK_EXTCAP_DIR environment variable.

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