Wireshark is a popular network protocol analyzer. It is used for troubleshooting, analysis, development, and education.
Wireshark 1.2.3 fixes the following vulnerability: It may be possible to make Wireshark crash remotely or by convincing someone to read a malformed packet trace file.
This release includes WinPcap 4.1.1, which has full support for Windows 7. Many other bugs have been fixed, including several memory leaks.