Vue 2.6.0 represents an evolution from its predecessor, Vue 2.5.22, offering several notable updates relevant to developers. Both versions share the same core mission: providing a reactive, component-oriented view layer for building modern web interfaces. The primary difference from a user point of view will be on the bug fixes and new features if there are. This is not specified in the data provided.
However, examining the devDependencies reveals several shifts. Rollup, a module bundler, saw a significant version jump from 0.66.6 to 1.0.0, suggesting potential improvements in build performance and module handling. Some babel dependencies have also been version upgrades, meaning improvements on the modern Javascript syntax trasnpilation which is important for cross browser compatibility, Typescript wasn't upgraded. Another dependency that saw upgrade is the lru-cache, for memory management.
The @types/node package increased from version 8.0.33 to 10.12.18, reflecting updated TypeScript definitions for Node.js, enhancing the development experience for TypeScript users. Some testing and automation libraries show version upgrades like karma-sauce-launcher. Also, some core javascript packages were upgraded like lodash which indicates performance improvements.
The dist section indicates that Vue 2.6.0 has more fileCount and unpackedSize from dist section so probably there are more functionalities on the new version. In summary, Vue 2.6.0 appears to offer refinement and potential compatibility enhancements compared to 2.5.22, particularly for developers using newer tooling and aiming for broader compatibility.
All the vulnerabilities related to the version 2.6.0 of the package
ReDoS vulnerability in vue package that is exploitable through inefficient regex evaluation in the parseHTML function
The ReDoS can be exploited through the parseHTML function in the html-parser.ts file. This flaw allows attackers to slow down the application by providing specially crafted input that causes inefficient processing of regular expressions, leading to excessive resource consumption.
To demonstrate this vulnerability, here's an example. In a Vue client-side application, create a new Vue instance with a template string that includes a <script> tag but closes it incorrectly with something like </textarea>.
new Vue({
el: '#app',
template: '
<div>
Hello, world!
<script>${'<'.repeat(1000000)}</textarea>
</div>'
});
Next, set up a basic HTML page (e.g., index.html) to load this JavaScript and mount the Vue instance:
<!DOCTYPE html>
<html>
<head>
<title>My first Vue app</title>
</head>
<body>
<div id=\"app\">Loading...</div>
</body>
</html>
When you visit the app in your browser at http://localhost:3000, you'll notice that the time taken to parse and mount the Vue application increases significantly due to the ReDoS vulnerability, demonstrating how the flaw can affect performance.