The mime package, a widely used library for MIME type mapping in JavaScript environments, saw a minor version update from 1.3.5 to 1.3.6 in May 2017. While seemingly small, these incremental updates can be crucial for developers relying on accurate content-type handling. Both versions share the same core functionality: providing a comprehensive mapping between file extensions and MIME types. They also declare no direct runtime dependencies, indicating a lightweight design focused on core functionality. The development dependencies include "mime-db":"^1.22.0", highlighting that both versions leverage the same underlying MIME type database for lookups. This suggests that the changes implemented in version 1.3.6 may revolve around bug fixes, performance improvements, or refinements to how the database is accessed, but not a major change in supported types.
The most notable difference between the two versions is the "releaseDate". Version 1.3.6 was released on May 12, 2017, about 11 hours after version 1.3.5 released on May 11, 2017. This small gap suggests a critical, time-sensitive fix addressed in the newer version.
For developers, using mime offers a standardized method to determine the correct MIME type for files, essential for tasks like serving files with appropriate headers in web servers or handling file uploads correctly. Given the short timeframe between releases, upgrading from 1.3.5 to 1.3.6 is likely recommended to incorporate any immediate fixes or improvements that made their way into the subsequent release, even if the changelog doesn't reveal dramatic differences. Ensure to check the commit history for a detailed listing on the changes for the specific update.
All the vulnerabilities related to the version 1.3.6 of the package
mime Regular Expression Denial of Service when MIME lookup performed on untrusted user input
Affected versions of mime are vulnerable to regular expression denial of service when a mime lookup is performed on untrusted user input.
Update to version 2.0.3 or later.
