Mruby · Mruby · CVE-2018-12247
**Name of the Vulnerable Software and Affected Versions**
mruby version 1.4.1
**Description**
An issue was discovered related to a NULL pointer dereference in mrb class. This issue is connected to certain usage of .clone, as mrb obj clone in kernel.c copies flags other than the MRB FLAG IS FROZEN flag, such as the embedded flag.
**Recommendations**
For mruby version 1.4.1, at the moment, there is no information about a newer version that contains a fix for this vulnerability.