Buffer overflow in the HTTP administrative interface in TIBCO Rendezvous before 8.4.4, Rendezvous Network Server before 1.1.1, Substation ES before 2.9.0, and Messaging Appliance before 8.7.2 allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors, related to the Rendezvous Daemon (rvd), Routing Daemon (rvrd), Secure Daemon (rvsd), Secure Routing Daemon (rvsrd), Gateway Daemon (rvgd), Daemon Adapter (rvda), Cache (rvcache), Agent (rva), and Relay Agent (rvrad) components.