Brace expansion is a utility, emulating the brace expansion feature found in shells like sh and bash, useful for generating strings based on patterns. Examining versions 1.1.9 and 1.1.8, the core functionality remains consistent. Both versions, licensed under MIT, offer the same functionality, driven by identical dependencies: concat-map for efficient array concatenation and balanced-match for accurately identifying brace pairs. Developers relying on these core functionalities won't experience breaking changes between the versions.
The primary distinction lies in the release timing and consequently, potentially bug fixes or minor performance improvements incorporated in the 1.1.9 release. Version 1.1.8 was released in June 2017, while 1.1.9 saw daylight in February 2018. This gap suggests that version 1.1.9 would incorporate any refinements or resolutions to reported issues addressed between those months.
The "dist" section showcases a notable addition in version 1.1.9; it includes fileCount and unpackedSize detailing the packaged contents, whereas these metrics are absent in the preceding version. While seemingly minor, the information gives developers insight into the package size and the number of files involved; useful for assessing the library's footprint within diverse projects. From developer perspective, upgrading to 1.1.9 is generally encouraged for those prioritizing the latest stability patches and package manifest completeness.
All the vulnerabilities related to the version 1.1.9 of the package
brace-expansion Regular Expression Denial of Service vulnerability
A vulnerability was found in juliangruber brace-expansion up to 1.1.11/2.0.1/3.0.0/4.0.0. It has been rated as problematic. Affected by this issue is the function expand of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.1.12, 2.0.2, 3.0.1 and 4.0.1 is able to address this issue. The name of the patch is a5b98a4f30d7813266b221435e1eaaf25a1b0ac5. It is recommended to upgrade the affected component.
