CVE-2018-12249: Debian Linux
High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.
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.
Affected products
Published 2018-06-12. Last modified 2026-06-17.