CVE-2018-18480: Libopencad Project Libopencad

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadMCHAR function in lib/dwg/io.cpp, resulting in an application crash.

Affected products

• Libopencad Project Libopencad: version 0.2.0 only

Published 2018-10-18. Last modified 2026-06-17.