The extend package, a Node.js port of jQuery's popular extend function, saw a minor version update from 1.2.0 to 1.2.1 in September 2013. While the core functionality remained consistent – providing developers with a simple way to deeply merge objects – key differences lie in the development dependencies and release timing. Version 1.2.1 included an update to the tape testing framework, moving from version ~1.0.4 to ~1.1.0. This indicates a commitment to maintaining code quality and potentially incorporating new testing features offered by the newer tape release.
For developers considering extend, this means a slightly more up-to-date testing environment was used in the development of 1.2.1. While the core API wasn't changed, the updated testing framework could signal improved stability or more comprehensive test coverage. The release date difference of approximately 11 days could also suggest that version 1.2.1 addresses any minor issues discovered in the immediate aftermath of the 1.2.0 release. Both versions are lightweight, with no external runtime dependencies, making them easy to integrate into any Node.js project needing object extension capabilities. The package remains a solid choice for developers seeking a reliable and well-tested solution for merging objects in their applications.
All the vulnerabilities related to the version 1.2.1 of the package
Prototype Pollution in extend
Versions of extend prior to 3.0.2 (for 3.x) and 2.0.2 (for 2.x) are vulnerable to Prototype Pollution. The extend() function allows attackers to modify the prototype of Object causing the addition or modification of an existing property that will exist on all objects.
If you're using extend 3.x upgrade to 3.0.2 or later.
If you're using extend 2.x upgrade to 2.0.2 or later.
