Semver 2.2.1 represents a minor update to the widely used semantic version parser for Node.js, utilized extensively by npm and other package management systems. Comparing it to the previous stable version, 2.2.0, the core functionality remains consistent, ensuring minimal disruption for existing users. Both versions share the same core description, development dependencies (tap for testing and uglify-js for minification), BSD license, and Git repository.
The key distinction lies in the release date and, presumably, internal bug fixes or minor performance improvements. Version 2.2.1 was released on October 28, 2013, a few days after 2.2.0, which debuted on October 25, 2013. Developers already employing semver in their projects can likely upgrade to 2.2.1 without encountering breaking changes, benefiting from any subtle enhancements implemented.
For developers new to the library, semver provides robust tools for parsing, validating, and manipulating semantic version strings, a crucial asset for managing dependencies and ensuring compatibility in Node.js projects. Its adoption by npm underscores its reliability and importance within the JavaScript ecosystem. The library helps to avoid breaking api changes by properly managing dependency versions. The test suite, powered by 'tap', suggests a commitment to code quality and reliability, while 'uglify-js' indicates attention to minimizing the library's footprint.
All the vulnerabilities related to the version 2.2.1 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.