Semver versions 4.0.2 and 4.0.0 are both releases of the semantic version parser widely used by npm, offering developers a robust tool for managing version dependencies. Both versions share the same core description: "The semantic version parser used by npm," highlighting their primary function within the Node.js ecosystem. They also declare the same development dependencies, namely "tap" (version 0.x >=0.0.4) for testing and "uglify-js" (version ~2.3.6) for minifying JavaScript. The licensing remains consistent across both versions, adhering to the BSD license, and the repository URL, hosted on GitHub under the isaacs/node-semver repository, is identical.
The key difference lies in the version number itself; 4.0.2 is a patch release following 4.0.0. This suggests that version 4.0.2 likely includes bug fixes or minor improvements over 4.0.0 without introducing any breaking changes. A developer deciding between the two should generally opt for 4.0.2 due to its more recent release date (September 30, 2014, compared to September 11, 2014, for 4.0.0), implying the inclusion of stability improvements. The "dist" property, providing the tarball URL for each version, emphasizes how developers can easily fetch and integrate these specific releases into their projects. For anyone starting fresh, adopting the latest patch version (4.0.2 in this case) minimizes potential issues encountered in the earlier 4.0.0 release.
All the vulnerabilities related to the version 4.0.2 of the package
Regular Expression Denial of Service in semver
Versions 4.3.1 and earlier of semver are affected by a regular expression denial of service vulnerability when extremely long version strings are parsed.
Update to version 4.3.2 or later
semver vulnerable to Regular Expression Denial of Service
Versions of the package semver before 7.5.2 on the 7.x branch, before 6.3.1 on the 6.x branch, and all other versions before 5.7.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the function new Range, when untrusted user data is provided as a range.
