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.