Worked on the curl/curl repository to enhance memory safety and stability in the core transfer logic, specifically addressing chunked transfer handling. Focused on C programming, the developer introduced integer overflow checks before chunk allocations, preventing potential memory allocation errors when processing large or malformed chunks. This defensive programming approach improved error handling and memory management, reducing the risk of crashes in edge cases and making the codebase more robust and maintainable. The contribution consisted of a targeted bug fix rather than new features, delivering a clear, auditable improvement that strengthened the reliability of chunk processing in a widely used C codebase.