Comment # 3 on bug 1176030 from Fabian Vogt

(In reply to Aayush Agarwal from comment #2)
> (In reply to Fabian Vogt from comment #1)
> > The ghostscript functionality is not installed by default to avoid security
> > issues, see bug 1122797
> > 
> > You can install "okular-spectre" manually to get the preview to work.
> > 
> > I wonder whether we can (or even should?) show a dialog if this case is
> > detected.
> 
> I believe this information should be made available via the interface.
> 
> Also Fabian please correct me if I am wrong, but if ghostscript support was
> removed for security reasons, would installing okular-spectre bring back
> those security issues?

It would make okular (and other applications using kparts like ark) vulnerable
to security issues in ghostscript again, yes. If you open trusted files only,
that might be acceptable.