CVE-2016-20039

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.

CVSS v4.0

8.6 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.15% chance of exploitation in the next 30 days, 4th percentile

Published

2026-03-28

Updated

2026-03-30

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/39673

References

• CVE Record
• NVD entry

Related

• CVE-2016-20038
• CVE-2016-2004
• CVE-2016-20037
• CVE-2016-20040
• CVE-2016-20036
• CVE-2016-20041