CVE-2018-12247

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CVSS 3.0

7.5 high

EPSS

2%p74

Published

Jun 12, 2018 (Jun 12, 2018)

Modified

Jun 17, 2026

Description

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded flag).

Vendors: mruby
Products: mruby
Weakness: CWE-476
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.6%)

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