Use-after-free vulnerability in the proxy server in IBM Tivoli Directory Server (TDS) 6.0.0.x before 6.0.0.8-TIV-ITDS-IF0007 and 6.1.x before 6.1.0-TIV-ITDS-FP0005 allows remote attackers to cause a denial of service (daemon crash) via an unbind request that occurs during a certain search operation.