VULNERABILITY INTELLIGENCE

CVE-2018-12248

CVSS score7.5 HIGH

EPSS probability1.49%

CISA KEVNot currently listed

Published2018-06-12

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

CWE-125: Out-of-bounds Read

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory