Hi, We are using OCI client libraries to connect our C++ program to the Oracle Database. The program does a lot of selects, inserts and SP calls. Oracle client and Oracle server both are 10.2.0.3. We have been observing a memory leak of 4M bytes in the C++ program every few minutes since last few days. On debugging through Purify, libumem, and Sun Studio 12, we finally managed to narrow down the problem to the Oracle client library OCI calls. The Sun Studio leak check shows the following - Leak #37, Instances = 157, Bytes Leaked = 655004 kpummapg + 0x00000098 kghgex + 0x00000648 kghfnd + 0x000005BC kghalo + 0x00000A6C kghgex + 0x000003BC kghfnd + 0x000005BC kghalo + 0x00000A6C kghgex + 0x000003BC kghfnd + 0x000005BC kghalo + 0x00000A6C kpuhhalo + 0x00000558 kpugdesc + 0x00000AD4 kpugparm + 0x00000374 COCIResultSet::InterpretData() + 0x000001B4 COCIResultSet::COCIResultSet(COCIStatement*,OCIStmt*,OCIError*) + 0x000000A4 COCIStatement:repareResult() + 0x00000190 A select is executed, a resultset is fetched and the resultset is immeidately closed. The same piece of code has been running at various production systems without any problems. Most of the other sites are either 10.2.0.4 or 9i. On searching Metalink and various other forums, I found similar issues faced in 10.2.0.1. Could someone advise if there are any bugs corresponding to this which have been closed. Would upgrading to 10.2.0.4 solve the problem? Thanks.