{ "CVE_data_meta" : { "ASSIGNER" : "security@mozilla.org", "ID" : "CVE-2017-7789", "STATE" : "PUBLIC" }, "affects" : { "vendor" : { "vendor_data" : [ { "product" : { "product_data" : [ { "product_name" : "Firefox", "version" : { "version_data" : [ { "version_affected" : "<", "version_value" : "55" } ] } } ] }, "vendor_name" : "Mozilla" } ] } }, "data_format" : "MITRE", "data_type" : "CVE", "data_version" : "4.0", "description" : { "description_data" : [ { "lang" : "eng", "value" : "If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Security (HSTS) will not be enabled for the connection. This vulnerability affects Firefox < 55." } ] }, "problemtype" : { "problemtype_data" : [ { "description" : [ { "lang" : "eng", "value" : "Failure to enable HSTS when two STS headers are sent for a connection" } ] } ] }, "references" : { "reference_data" : [ { "name" : "https://bugzilla.mozilla.org/show_bug.cgi?id=1074642", "refsource" : "CONFIRM", "url" : "https://bugzilla.mozilla.org/show_bug.cgi?id=1074642" }, { "name" : "https://www.mozilla.org/security/advisories/mfsa2017-18/", "refsource" : "CONFIRM", "url" : "https://www.mozilla.org/security/advisories/mfsa2017-18/" }, { "name" : "100374", "refsource" : "BID", "url" : "http://www.securityfocus.com/bid/100374" }, { "name" : "1039124", "refsource" : "SECTRACK", "url" : "http://www.securitytracker.com/id/1039124" } ] } }