Brace expansion is a handy npm package that brings shell-like brace expansion capabilities to JavaScript environments. Comparing versions 1.1.3 and 1.1.2, the core functionality remains consistent: both leverage 'concat-map' and 'balanced-match' to achieve the desired expansion. The critical difference for developers lies in the updated 'tape' dependency in the newer 1.1.3 version, which bumps the testing framework from version 4.2.2 to 4.4.0.
This might indicate improvements or fixes related to testing, potentially enhancing the library's reliability. Developers relying heavily on thorough testing practices might find the newer version preferable due to the updated testing environment; an improved development experience and confidence in contributed updates.
Both versions are licensed under MIT, ensuring open-source freedom. The author, Julian Gruber, remains the same, and the core dependencies for brace expansion remain unchanged across the versions. Using either version provides developers with a simple way to programmatically generate strings, useful when working with file paths, command-line arguments, or any situation requiring repeated patterns. Ultimately, the choice boils down to preference for the testing framework; unless you have any specific dependency to tape version 4.2.2, version 1.1.3 is recommended.
All the vulnerabilities related to the version 1.1.3 of the package
ReDoS in brace-expansion
Affected versions of brace-expansion are vulnerable to a regular expression denial of service condition.
var expand = require('brace-expansion');
expand('{,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,\n}');
Update to version 1.1.7 or later.
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.