Contributed a targeted bug fix to the openssl/openssl repository, addressing a memory leak in the PKCS7 certificate signing path. Focused on improving memory management in C, the work involved freeing allocated memory for the 'seq' structure within the PKCS7_add_signed_attribute error path, thereby enhancing the robustness of cryptographic signing operations under failure conditions. This patch reduced the risk of memory leaks in production signing workflows, supporting greater stability and reliability for certificate management. The contribution demonstrated careful debugging and adherence to OpenSSL’s code review standards, leveraging expertise in C programming, cryptography, and secure memory handling to improve operational predictability.