Vulnerabilities > CVE-2018-12247 - NULL Pointer Dereference vulnerability in Mruby 1.4.1
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
PARTIAL Summary
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).
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |