CVE-2018-12248
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.
Date published : 2018-06-12
https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42b