{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2018-12248",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
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                        "product_name" : "n/a",
                        "version" : {
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                                 "version_value" : "n/a"
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               "vendor_name" : "n/a"
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   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber."
         }
      ]
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   "problemtype" : {
      "problemtype_data" : [
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                  "lang" : "eng",
                  "value" : "n/a"
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   "references" : {
      "reference_data" : [
         {
            "name" : "https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42b",
            "refsource" : "MISC",
            "url" : "https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42b"
         },
         {
            "name" : "https://github.com/mruby/mruby/issues/4038",
            "refsource" : "MISC",
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}