An issue in the _IO_default_xsputn component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service via crafted SQL statements. An issue in the bif_mod component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service via crafted SQL statements. An issue in the sch_name_to_object component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service via crafted SQL statements. An issue in the dv_compare component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service via crafted SQL statements. An issue in the sqlo_query_spec component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service via crafted SQL statements