diff -up openssh/servconf.c.servconf openssh/servconf.c --- openssh/servconf.c.servconf 2015-06-24 11:26:26.186527736 +0200 +++ openssh/servconf.c 2015-06-24 11:26:39.847493075 +0200 @@ -1815,6 +1815,8 @@ process_server_config_line(ServerOptions break; case sAuthenticationMethods: + if (cp == NULL || *cp == '\0') + fatal("%.200s line %d: Missing argument.", filename, linenum); if (options->num_auth_methods == 0) { while ((arg = strdelim(&cp)) && *arg != '\0') { if (options->num_auth_methods >=