CVE-2018-12248
7.5
HIGH
CVSS 3.1
EPSS 0.27%
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.
How to fix CVE-2018-12248
To remediate CVE-2018-12248, upgrade the affected package to a fixed version below.
- Debian/mruby—upgrade to 1.4.1+20180622+git640fca32-1 or later
Is CVE-2018-12248 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.4.1+20180622+git640fca32-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |