This update for apache2 fixes the following issues
mod_proxy_ajp via ajp_msg_check_header() (bsc#1264163).mod_md via OCSP response (bsc#1264150).mod_dav_lock allows server crash via malicious requests (bsc#1263956).mod_auth_digest timing attack allows bypass of Digest authentication (bsc#1263955).mod_authn_socache allows unauthenticated remote user to crash a child
processes (bsc#1263954).mod_proxy_ajp due to missing null-termination check (bsc#1263951).ajp_parse_data() (bsc#1263950).merge_response_headers can cause crash (bsc#1267963).send_request (bsc#1267969).Non security issue: