Multiple directory traversal vulnerabilities in mod_evhost and mod_simple_vhost in lighttpd before 1.4.35 allow remote attackers to read arbitrary files via a .. in the host name, related to request_check_hostname.SQL injection vulnerability in mod_mysql_vhost.c in lighttpd before 1.4.35 allows remote attackers to execute arbitrary SQL commands via the host name, related to request_check_hostname.