Wireshark 4.2.1, 4.0.12 and 3.6.20 Released

January 3, 2024

Wireshark 4.2.1, 4.0.12 and 3.6.20 have been released. Installers for Windows, Mac OS X 11 and later, and source code are now available.

In 4.2.1

Several vulnerabilities have been fixed. See the release notes for details.

For a complete list of changes, please refer to the 4.2.1 release notes.

In 4.0.12

Two vulnerabilities have been fixed. See the release notes for details.

For a complete list of changes, please refer to the 4.0.12 release notes.

In 3.6.20

Two vulnerabilities have been fixed. See the release notes for details.

For a complete list of changes, please refer to the 3.6.20 release notes.