The npb_protocol_error function in sna V5router64 in IBM Communications Server for Windows 6.1.3 and Communications Server for AIX (aka CSAIX or CS/AIX) in sna.rte before 6.3.1.2 allows remote attackers to cause a denial of service (daemon crash) via APPC data containing a GDSID variable with a GDS length that is too small.
secunia.com/advisories/39909
www-01.ibm.com/support/docview.wss?uid=swg1IZ68810
www-01.ibm.com/support/docview.wss?uid=swg1JR36026
www-01.ibm.com/support/docview.wss?uid=swg24013012
www.securityfocus.com/bid/40372
www.vupen.com/english/advisories/2010/1244
exchange.xforce.ibmcloud.com/vulnerabilities/58874