CVEvulnerability

CVE-2018-12247

7.5 HIGH Published 2018-06-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-06-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-476

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).

Affected configurations

• mruby mruby 1.4.1

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References