CVE-2016-20039: Mamedev Mess Emulator

High severity, CVSS 8.4. EPSS: 0.1% chance of exploitation in the next 30 days.

Multi Emulator Super System 0.154-3.1 contains a buffer overflow vulnerability in the gamma parameter handling that allows local attackers to crash the application or execute arbitrary code. Attackers can supply an oversized gamma parameter value to overflow the stack buffer and overwrite the instruction pointer with a controlled address to achieve code execution.

Affected products

• Mamedev Mess Emulator: version 0.154-3.1 only

Published 2026-03-28. Last modified 2026-06-17.