Ang Unong focused on improving the stability of the TIFF RGBA fuzz target in the libsdl-org/libtiff repository by addressing a critical memory leak. Using C++ and leveraging expertise in fuzzing and memory management, Ang refactored the error handling logic to ensure proper resource deallocation, adopting a goto cleanup pattern for robust memory safety. The work also enhanced error reporting for memory allocation failures and scanline read issues, making fuzzing cycles more reliable and reducing false positives and crashes. This targeted fix, linked to the OSS-Fuzz workflow, demonstrated careful attention to detail and a deep understanding of low-level C++ resource management.