Why does the application crash when creating 10 QWebViews at the same time?

Question

Qt

Here is a code fragment where it is used and after a few seconds it crashes, it takes 600 MB of RAM at that moment somewhere.

Answer 1

Throws out actually like this
And another question is what's wrong here, throws this into the console:
QSslSocket: cannot call unresolved function SSLv23_client_method
QSslSocket: cannot call unresolved function SSL_CTX_new
QSslSocket: cannot call unresolved function SSL_library_init
QSslSocket: cannot call unresolved function ERR_get_error
QSslSocket: cannot call unresolved function ERR_get_error

Answer 2

Errors in console - missing openSSL lib in project root