The GPRS-LLC dissector in Ethereal 0.10.7 through 0.10.9, with the "ignore cipher bit" option enabled. allows remote attackers to cause a denial of service (application crash).
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10565
http://www.securityfocus.com/bid/12762
http://www.redhat.com/support/errata/RHSA-2005-306.html
http://www.redhat.com/archives/fedora-legacy-announce/2006-January/msg00003.html
http://www.mandriva.com/security/advisories?name=MDKSA-2005:053