Multiple stack-based buffer overflows in dsmagent.exe in the Remote Agent Service in the IBM Tivoli Storage Manager (TSM) client 5.1.0.0 through 5.1.8.2, 5.2.0.0 through 5.2.5.3, 5.3.0.0 through 5.3.6.4, and 5.4.0.0 through 5.4.1.96, and the TSM Express client 5.3.3.0 through 5.3.6.4, allow remote attackers to execute arbitrary code via (1) a request packet that is not properly parsed by an unspecified "generic string handling function" or (2) a crafted NodeName in a dicuGetIdentifyRequest request packet, related to the (a) Web GUI and (b) Java GUI.