Wireshark is vulnerable to denial of service (DoS). If Wireshark reads a malformed packet off a network, it could crash or, possibly, execute arbitrary code as the user running Wireshark.
lists.opensuse.org/opensuse-security-announce/2008-04/msg00005.html
secunia.com/advisories/29569
secunia.com/advisories/29622
secunia.com/advisories/29695
secunia.com/advisories/29736
secunia.com/advisories/29971
secunia.com/advisories/32091
support.avaya.com/elmodocs2/security/ASA-2008-392.htm
wiki.rpath.com/wiki/Advisories:rPSA-2008-0138
www.gentoo.org/security/en/glsa/glsa-200805-05.xml
www.mandriva.com/security/advisories?name=MDVSA-2008:091
www.redhat.com/security/updates/classification/#moderate
www.redhat.com/support/errata/RHSA-2008-0890.html
www.securityfocus.com/archive/1/490487/100/0/threaded
www.securityfocus.com/bid/28485
www.securitytracker.com/id?1019728
www.vupen.com/english/advisories/2008/1007/references
www.vupen.com/english/advisories/2008/2773
www.wireshark.org/docs/relnotes/
www.wireshark.org/security/
www.wireshark.org/security/wnpa-sec-2008-02.html
access.redhat.com/errata/RHSA-2008:0890
exchange.xforce.ibmcloud.com/vulnerabilities/41517
issues.rpath.com/browse/RPL-2418
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10238
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15074
www.redhat.com/archives/fedora-package-announce/2008-April/msg00140.html
www.redhat.com/archives/fedora-package-announce/2008-April/msg00228.html