{ "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": "100374", "refsource": "BID", "url": "http://www.securityfocus.com/bid/100374" }, { "name": "https://www.mozilla.org/security/advisories/mfsa2017-18/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2017-18/" }, { "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1074642", "refsource": "CONFIRM", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1074642" }, { "name": "1039124", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1039124" } ] } }