NPM Audit Error -- Regular expression denial of service

Question

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I am learning how to use Angulur.

I am getting 5 moderate errors that I could not solve inside of a project folder. I had spent 2 all days on it without a success.

I hope one of you could tell me how to remedy this. I had searched the Internet but it appears it points that this may be bug that I have to wait. However, I think I have all latest versions according to 2nd picture.
I appreciate if you could advise me. Thanks.

Answer 1

I think I finally got this working.

What I did as follows:

1. npm uninstall @angular-devkit/build-angular

2. Delete User/xxxx/AppData/npm-cache folder manually. I don't know why the command npm clean cache --force did not work due to warn message (npm WARN using --force Recommended protected disabled.

3. commit all changes

4. ng update @angular-devkit/build-angular

5. npm audit -- to make sure there is no more error