Wireshark released updates for version 1.6.14 and 1.8.6 to fix several vulnerabilities (multiple CVEs have been fixed). See the Wireshark announcements for the complete list of fixes.

You can download the latest versions here.

[1] http://www.wireshark.org/lists/wireshark-announce/201303/msg00000.html
[2] http://www.wireshark.org/lists/wireshark-announce/201303/msg00001.html
[3] http://www.wireshark.org/download.html

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Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu