Answer by egreg for hyperref bad references

The main problem in your case is that the current version of magyar.ldf which is loaded with

\usepackage[hungarian]{babel}

is broken with respect to the interaction with hyperref.

There is a different version available on TeX Live systems, located in

/usr/local/texlive/2012/texmf-dist/doc/latex/magyar/magyar.ldf

You can copy it in the working directory or in a folder

~/texmf/tex/latex/magyar

(~/Library/texmf/tex/latex/magyar/ with MacTeX on Mac OS X) that you need to create.

Then call babel as

\def\magyarOptions{suggestions=no}\usepackage[magyar]{babel}

The first line is just to avoid spurious and almost meaningless messages.

It's not the official version of magyar.ldf, but it seems to work.

On the other hand, the Polyglossia module for Hungarian seems to work, so you can consider, when using XeLaTeX, to call

\usepackage{polyglossia}\setmainlanguage{magyar}