During February 2025, Sam Khoury focused on security hardening for container libraries by addressing a critical vulnerability in the go-jose dependency. Working across the containers/container-libs and containers/image repositories, Sam upgraded go-jose to version 4.0.5 to mitigate CVE-2025-27144, ensuring both go.mod and go.sum files reflected the patched version. This work required careful dependency management and validation of build integrity to maintain consistent security standards across projects. Using Go and leveraging skills in security patching and cross-repository collaboration, Sam reduced vulnerability exposure and strengthened supply chain security, demonstrating a methodical approach to remediation and ongoing maintenance of core infrastructure.