{ "CVE_data_meta" : { "ASSIGNER" : "security@mozilla.org", "ID" : "CVE-2017-7813", "STATE" : "PUBLIC" }, "affects" : { "vendor" : { "vendor_data" : [ { "product" : { "product_data" : [ { "product_name" : "Firefox", "version" : { "version_data" : [ { "version_affected" : "<", "version_value" : "56" } ] } } ] }, "vendor_name" : "Mozilla" } ] } }, "data_format" : "MITRE", "data_type" : "CVE", "data_version" : "4.0", "description" : { "description_data" : [ { "lang" : "eng", "value" : "Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer being parsed. This usually results in a non-exploitable crash, but can leak a limited amount of information from memory if it matches JavaScript identifier syntax. This vulnerability affects Firefox < 56." } ] }, "problemtype" : { "problemtype_data" : [ { "description" : [ { "lang" : "eng", "value" : "Integer truncation in the JavaScript parser" } ] } ] }, "references" : { "reference_data" : [ { "name" : "https://bugzilla.mozilla.org/show_bug.cgi?id=1383951", "refsource" : "CONFIRM", "url" : "https://bugzilla.mozilla.org/show_bug.cgi?id=1383951" }, { "name" : "https://www.mozilla.org/security/advisories/mfsa2017-21/", "refsource" : "CONFIRM", "url" : "https://www.mozilla.org/security/advisories/mfsa2017-21/" }, { "name" : "101057", "refsource" : "BID", "url" : "http://www.securityfocus.com/bid/101057" }, { "name" : "1039465", "refsource" : "SECTRACK", "url" : "http://www.securitytracker.com/id/1039465" } ] } }