During October 2025, Wang focused on enhancing memory safety within the curl/curl repository by addressing a critical bug in the configuration cleanup logic. Using C programming and leveraging expertise in memory management and software optimization, Wang identified and removed redundant free calls that could have led to double-free or memory errors. This targeted fix improved the stability and reliability of the configuration process for curl users, reducing the risk of crashes and unpredictable memory behavior. The work demonstrated careful attention to code hygiene and resource handling, resulting in safer cleanup routines and contributing to more robust software maintenance practices within the project.