Wireshark 1.4.x before 1.4.11 and 1.6.x before 1.6.5 does not properly perform certain string conversions, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet, related to epan/to_str.c.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15368
http://www.wireshark.org/security/wnpa-sec-2012-02.html
http://www.securitytracker.com/id?1026507
http://www.openwall.com/lists/oss-security/2012/01/11/7
http://www.gentoo.org/security/en/glsa/glsa-201308-05.xml
http://secunia.com/advisories/54425
http://secunia.com/advisories/48947
http://secunia.com/advisories/47494
http://rhn.redhat.com/errata/RHSA-2013-0125.html
http://anonsvn.wireshark.org/viewvc?view=revision&revision=40194