Webpack version 0.3.1 represents a minor update over its predecessor, version 0.3.0, in this early stage of the project's development. Both versions share the fundamental purpose of being a module bundler for CommonJS modules, designed to split codebases into smaller, on-demand loaded bundles for improved browser performance. The core dependencies remain consistent between the two releases, encompassing essential tools like esprima for JavaScript parsing, sprintf for string formatting, optimist for command-line argument parsing, and uglify-js for code minification. The loaders for different file types (raw-loader, jade-loader, json-loader, coffee-loader) are also identical and are listed as both regular dependencies and optional dependencies. This suggests these loaders were considered important but not strictly required, potentially for users with very specific project configurations. The vows testing framework remains the sole devDependency, indicating a similar testing approach between the two versions.
The key difference lies in the release date; version 0.3.1 was published on April 6, 2012, shortly after version 0.3.0, which came out on April 3, 2012. This suggests that version 0.3.1 likely includes bug fixes or small enhancements discovered immediately after the 0.3.0 release, although specific details are not apparent from the metadata. For developers using Webpack, upgrading from 0.3.0 to 0.3.1 is recommended as it's likely to provide a more stable experience. The core functionality regarding module bundling and dependency management remains unchanged.
All the vulnerabilities related to the version 0.3.1 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.