CVE Vulnerabilities

CVE-2018-12249

NULL Pointer Dereference

Published: Jun 12, 2018 | Modified: May 12, 2022
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class_real because class BasicObject is not properly supported in class.c.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Mruby Mruby 1.4.1 (including) 1.4.1 (including)

Potential Mitigations

References