This update for apache2 fixes the following issues:
The following security vulnerabilities were fixed:
CVE-2018-1333: Fixed a worker exhaustion that could have lead to a denial
of service via specially crafted HTTP/2 requests (bsc#1101689).
CVE-2018-8011: Fixed a null pointer dereference in mod_md, which could have
lead to a denial of service via specially crafted HTTP requests (bsc#1101688).
Note: We are currently not shipping this modules, since it is still considered
experimental, but we might start to ship it with future releases.