Unspecified vulnerability in the AirPcap support in Wireshark (formerly Ethereal) 0.99.3 has unspecified attack vectors related to WEP key parsing.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14787
http://www.wireshark.org/security/wnpa-sec-2006-03.html