wireshark is vulnerable to arbitrary code execution. The vulnerability exists as a heap-based buffer overflow flaw was found in the Wireshark Local Download Sharing Service (LDSS) dissector. If Wireshark read a malformed packet off a network or opened a malicious dump file, it could crash or, possibly, execute arbitrary code as the user running Wireshark.
blogs.sun.com/security/entry/buffer_overflow_vulnerability_in_wireshark
lists.opensuse.org/opensuse-security-announce/2011-01/msg00003.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
osvdb.org/69354
secunia.com/advisories/42290
secunia.com/advisories/42411
secunia.com/advisories/42877
secunia.com/advisories/43068
www.exploit-db.com/exploits/15676
www.mandriva.com/security/advisories?name=MDVSA-2010:242
www.redhat.com/security/updates/classification/#moderate
www.redhat.com/support/errata/RHSA-2010-0924.html
www.securityfocus.com/bid/44987
www.securitytracker.com/id?1024762
www.vupen.com/english/advisories/2010/3038
www.vupen.com/english/advisories/2010/3068
www.vupen.com/english/advisories/2010/3093
www.vupen.com/english/advisories/2011/0076
www.vupen.com/english/advisories/2011/0212
www.vupen.com/english/advisories/2011/0404
www.wireshark.org/security/wnpa-sec-2010-12.html
www.wireshark.org/security/wnpa-sec-2010-13.html
www.wireshark.org/security/wnpa-sec-2010-14.html
access.redhat.com/errata/RHSA-2010:0924
bugs.wireshark.org/bugzilla/show_bug.cgi?id=5318
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14287