safe-buffer is a Node.js library providing a safer way to create and manipulate buffers. It mitigates potential security vulnerabilities related to unchecked or user-controlled buffer allocations. It guards against common issues like denial-of-service attacks stemming from excessive memory allocation, promoting more secure and reliable Node.js applications. It avoids the deprecated new Buffer() constructor, a known source of security holes. Using safe-buffer is recommended for projects needing robust handling of binary data.
The npm package safe-buffer has seen sporadic releases. It had initial activity in 2016 and 2017, with version bumps. Releases became infrequent, with single releases in April 2018 (5.1.2), July 2019 (5.2.0), and May 2020 (5.2.1). No releases have occurred since May 2020, indicating the package has been stable for over 5 years.
Safe-buffer npm package downloads show a general upward trend from March 2024 to August 2025. Downloads peaked in June 2025 at over 733 million. September 2025 downloads are significantly lower, but reflect incomplete data for the current month.