If your organization requires this patch for a legacy maintenance agreement, there is only one official path:
Patch 19 was specifically certified for E-Business Suite 11i . If you are not using EBS, note that Patch 17 was often considered the final general-use patch for standard client/server applications. Oracle Forms 6i Patch 19 Download
Resolves critical pointer and memory allocation errors during prolonged client runtime execution. If your organization requires this patch for a
Rewrite critical forms using Java and JDBC. High cost but future-proof. Oracle Forms 6i Patch 19 Download
Download the accurate installer for your specific platform (Windows 32-bit or Unix/Linux). A Warning Regarding Third-Party Sites