Worked on strengthening the elf2image component within the espressif/esptool repository by addressing a critical edge case in ELF parsing using Python. Focused on improving reliability, the developer implemented logic to detect ELF binaries with zero program headers and ensured the process returns early in the _read_segments function. This targeted bug fix prevents failures during image generation, reducing downstream debugging time and enhancing CI stability. The change was delivered as a single, well-documented commit, making it easy to audit and maintain. Demonstrated expertise in defensive programming and ELF parsing, contributing to more robust handling of diverse input files in esptool.