Double free vulnerability in the Rx server process in OpenAFS 1.4.14, 1.4.12, 1.4.7, and possibly other versions allows remote attackers to cause a denial of service and execute arbitrary code via unknown vectors.
http://www.vupen.com/english/advisories/2011/0411
http://www.vupen.com/english/advisories/2011/0410
http://www.securitytracker.com/id?1025095
http://www.securityfocus.com/bid/46428
http://www.debian.org/security/2011/dsa-2168