update to 0.10.6
from the changelog:
- many bug fixes that where found with Coverity

- The following CVE fixes where backported:
  CVE-2012-2796, CVE-2012-2775, CVE-2012-2772, CVE-2012-2776,
  CVE-2012-2779, CVE-2012-2787, CVE-2012-2794, CVE-2012-2800,
  CVE-2012-2802, CVE-2012-2801, CVE-2012-2786, CVE-2012-2798,
  CVE-2012-2793, CVE-2012-2789, CVE-2012-2788, CVE-2012-2790,
  CVE-2012-2777, CVE-2012-2784

- hundreads of other bug fixes, some possibly security relevant,
  see the git log for details.

(drochner)