OpenAFS before 1.6.7 delays the listen thread when an RXS_CheckResponse fails, which allows remote attackers to cause a denial of service (performance degradation) via an invalid packet.
Integer overflow in ptserver in OpenAFS before 1.6.2 allows remote attackers to cause a denial of service (crash) via a large list from the IdToName RPC, which triggers a heap-based buffer overflow.
Buffer overflow in certain client utilities in OpenAFS before 1.6.2 allows remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a long fileserver ACL entry.