wireshark is vulnerable to denial of service (DoS). The vulnerability exists as wireshark could crash or stop responding if it read a malformed packet off a network, or opened a malicious dump file.
secunia.com/advisories/35884
www.mandriva.com/security/advisories?name=MDVSA-2009:194
www.mandriva.com/security/advisories?name=MDVSA-2010:031
www.openwall.com/lists/oss-security/2009/09/17/15
www.openwall.com/lists/oss-security/2009/09/18/2
www.redhat.com/security/updates/classification/#moderate
www.securityfocus.com/bid/35748
www.vupen.com/english/advisories/2009/1970
www.wireshark.org/docs/relnotes/wireshark-1.0.9.html
www.wireshark.org/security/wnpa-sec-2009-04.html
www.wireshark.org/security/wnpa-sec-2009-05.html
www.wireshark.org/security/wnpa-sec-2009-08.html
www.wireshark.org/security/wnpa-sec-2010-01.html
access.redhat.com/errata/RHSA-2010:0360
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11210
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6321