This update fixes several security issues in the Apache2
webserver.

CVE-2011-3368, CVE-2011-4317: This update also includes
several fixes for a mod_proxy reverse exposure via
RewriteRule or ProxyPassMatch directives.

CVE-2011-3607: Integer overflow in ap_pregsub function
resulting in a heap based buffer overflow could potentially
allow local attackers to gain privileges

In addition to that the following changes were made:

- new template file:
/etc/apache2/vhosts.d/vhost-ssl.template allow TLSv1
only, browser match stuff commented out.
- rc script /etc/init.d/apache2: handle reload with deleted
binaries by message to stdout only, but refrain from
sending signals.