{"id":"CVE-2018-12248","details":"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.","modified":"2026-05-17T11:54:42.818485732Z","published":"2018-06-12T14:29:00.400Z","database_specific":{},"references":[{"type":"REPORT","url":"https://github.com/mruby/mruby/issues/4038"},{"type":"FIX","url":"https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42b"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}