Unknown vulnerability in the (1) AgentX dissector, (2) PER dissector, (3) DOCSIS dissector, (4) SCTP graphs, (5) HTTP dissector, (6) DCERPC, (7) DHCP, (8) RADIUS dissector, (9) Telnet dissector, (10) IS-IS LSP dissector, or (11) NCP dissector in Ethereal 0.8.19 through 0.10.11 allows remote attackers to cause a denial of service (application crash or abort) via unknown attack vectors.