Yup, that's exactly what this post is about. Just like in this post, I was using email@example.com and it had 62 vulnerabilities coming from multiple internal packages that jest uses.
When running the suggested command that came from NPM, run npm install --save-dev firstname.lastname@example.org, it will then grab that specific version of jest that fixes the vulnerabilities. This means that the maintaner(s) of your package have fixed the vulnerabilities and pushed a new version of their package for you to use.
run npm install --save-dev email@example.com
Another option, that I wouldn't recommend, is to install the vulnerabilities of the internal packages into your own project. For example, if one of your packages is reporting a vulnerability from an internal package, braces like in my example in the post, you could install the fixed version of that package yourself using npm i --save-dev braces but this could cause breaking changes.
npm i --save-dev braces
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