Webpack version 0.4.3 represents a minor update over its predecessor, version 0.4.2, both geared towards streamlining front-end development by bundling CommonJS modules for browser deployment. Both versions share identical core functionalities, empowering developers to split codebases into easily manageable, on-demand loaded bundles. This feature is crucial for optimizing website loading times and enhancing user experience, particularly for large applications. Out-of-the-box support for common file types like JavaScript, JSON, Jade (now Pug), CoffeeScript, and CSS simplifies project setup, while custom loaders extend compatibility to a wide range of other formats.
The dependencies listed remain the same. Essential libraries like esprima (for JavaScript parsing), sprintf (for string formatting), optimist (for command-line argument parsing), and uglify-js (for code minification) ensure robust performance and efficient code delivery. The inclusion of various loaders such as css-loader, raw-loader, json-loader, and coffee-loader underlines Webpack's commitment to seamless integration with popular web development technologies. Furthermore, both versions incorporate vows as a dev dependency, providing a framework for behavior-driven development to ensure code quality. The key difference lies in the release date, with version 0.4.3 published roughly 11 hours after version 0.4.2. This suggests the later version may contain bug fixes or minor improvements. For developers, upgrading to 0.4.3 most likely offers a more stable and refined experience within the 0.4.x series of webpack.
All the vulnerabilities related to the version 0.4.3 of the package
Incorrect Handling of Non-Boolean Comparisons During Minification in uglify-js
Versions of uglify-js prior to 2.4.24 are affected by a vulnerability which may cause crafted JavaScript to have altered functionality after minification.
Upgrade UglifyJS to version >= 2.4.24.
Regular Expression Denial of Service in uglify-js
Versions of uglify-js prior to 2.6.0 are affected by a regular expression denial of service vulnerability when malicious inputs are passed into the parse() method.
var u = require('uglify-js');
var genstr = function (len, chr) {
var result = "";
for (i=0; i<=len; i++) {
result = result + chr;
}
return result;
}
u.parse("var a = " + genstr(process.argv[2], "1") + ".1ee7;");
$ time node test.js 10000
real 0m1.091s
user 0m1.047s
sys 0m0.039s
$ time node test.js 80000
real 0m6.486s
user 0m6.229s
sys 0m0.094s
Update to version 2.6.0 or later.
Regular Expression Denial of Service in clean-css
Version of clean-css prior to 4.1.11 are vulnerable to Regular Expression Denial of Service (ReDoS). Untrusted input may cause catastrophic backtracking while matching regular expressions. This can cause the application to be unresponsive leading to Denial of Service.
Upgrade to version 4.1.11 or higher.
Sandbox Bypass Leading to Arbitrary Code Execution in constantinople
Versions of constantinople prior to 3.1.1 are vulnerable to a sandbox bypass which can lead to arbitrary code execution.
Update to version 3.1.1 or later.