Multiple vulnerabilities exist in Juniper Junos J-Web error handling that may lead to cross site scripting (XSS) issues or crash the J-Web service (DoS). This affects Juniper Junos OS 12.1X44 before 12.1X44-D45 12.1X46 before 12.1X46-D30 12.1X47 before 12.1X47-D20 12.3 before 12.3R8 12.3X48 before 12.3X48-D10 13.1 before 13.1R5 13.2 before 13.2R6 13.3 before 13.3R4 14.1 before 14.1R3 14.1X53 before 14.1X53-D10 14.2 before 14.2R1 and 15.1 before 15.1R1.