Wireshark 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (application crash) via a malformed capture file that leads to an invalid root tvbuff, related to a "buffer exception handling vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14971
https://bugzilla.redhat.com/show_bug.cgi?id=737785
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6135
http://www.wireshark.org/security/wnpa-sec-2011-14.html
http://www.openwall.com/lists/oss-security/2011/09/14/9
http://www.openwall.com/lists/oss-security/2011/09/14/5
http://www.openwall.com/lists/oss-security/2011/09/14/10
http://www.openwall.com/lists/oss-security/2011/09/13/1
http://www.mandriva.com/security/advisories?name=MDVSA-2011:138