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High severity7.5OSV Advisory· Published Jun 12, 2018· Updated Jun 17, 2026

CVE-2018-12247

CVE-2018-12247

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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Mruby/MrubyOSV3 versions
    1.0.0, 1.1.0, 1.2.0, …+ 2 more
    • (no CPE)range: 1.0.0, 1.1.0, 1.2.0, …
    • (no CPE)range: = 1.4.1
    • cpe:2.3:a:mruby:mruby:1.4.1:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

2

News mentions

0

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