Wireshark 1.6.1 and 1.4.8 Released-Network Protocol Analyser

Wireshark 1.6.1 and 1.4.8 have been released. Installers for Windows, Mac OS X 10.5.5 and above (Intel and PPC), and source code are now available.

In both wireshark versions vulnerability is fixed

For more details and Download wireshark versions from here:
http://www.wireshark.org/news/20110718.html