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19c ODBC Driver Cause Memory Leak When Connecting to 19c DB (Doc ID 2765825.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle ODBC Driver - Version and later
Microsoft Windows x64 (64-bit)
Microsoft Windows (32-bit)


After upgrading both client and database to 19c, a memory leak is observed on an ODBC application which repeatedly connects and disconnects from the database.
DebugDiag can report the following function can cause a memory leak of 1.33 MBytes by 1001 allocations in 1000 loop for connecting and disconnecting.

An OCI application doesn't show a memory leak.

This problem occurs on Windows platform only, not on Linux platform.


After upgrading both client and database to 19c on Windows Platform. 


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