Browserify is a powerful tool for developers aiming to use Node.js-style modules within a browser environment. Versions 2.22.0 and 2.21.0 offer similar core functionality, enabling developers to write modular JavaScript code and bundle it for use in web browsers, leveraging features like require(). Both versions share an identical set of dependencies, including essential modules like umd for universal module definitions, through for stream transformations, and module-deps for dependency analysis, ensuring a consistent experience. Furthermore, development dependencies like tap for testing, dnode for RPC, and coffee-script for pre-compilation are maintained across both versions.
The key difference lies solely in the release date, with version 2.22.0 being published a day after version 2.21.0. This small increment suggests that update likely contains bug fixes or minor enhancements from the previous version. For developers, upgrading from 2.21.0 to 2.22.0 will ensure they have the most up-to-date, stable version of the package. And, as the dependency list is identical, developers can expect a seamless transition without major compatibility concerns. Therefore, staying current with the latest version safeguards against known issues and provides the best possible development experience when using Browserify. When building complex browser-based applications with modularity, choosing the newest official version ensures you are on latest stable foundation.
All the vulnerabilities related to the version 2.22.0 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.
Potential Command Injection in shell-quote
Affected versions of shell-quote do not properly escape command line arguments, which may result in command injection if the library is used to escape user input destined for use as command line arguments.
The following characters are not escaped properly: >,;,{,}
Bash has a neat but not well known feature known as "Bash Brace Expansion", wherein a sub-command can be executed without spaces by running it between a set of {} and using the , instead of to seperate arguments. Because of this, full command injection is possible even though it was initially thought to be impossible.
const quote = require('shell-quote').quote;
console.log(quote(['a;{echo,test,123,234}']));
// Actual "a;{echo,test,123,234}"
// Expected "a\;\{echo,test,123,234\}"
// Functional Equivalent "a; echo 'test' '123' '1234'"
Update to version 1.6.1 or later.
Potential for Script Injection in syntax-error
Versions of syntax-error prior to 1.1.1 are affected by a cross-site scripting vulnerability which may allow a malicious file to execute code when browserified.
Update to version 1.1.1 or later.