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High · 8.4 CVE-2018-25251 EUVD-2018-21754GHSA-6pmp-6mx7-3x6f

Snes9K 0.0.9z Buffer Overflow SEH via Netplay Socket

Published Apr 4, 2026 · Updated Apr 6, 2026 · Assigned by VulnCheck

Description

Snes9K 0.0.9z contains a buffer overflow vulnerability in the Netplay Socket Port Number field that allows local attackers to trigger a structured exception handler (SEH) overwrite. Attackers can craft a malicious payload and paste it into the Socket Port Number field via the Netplay Options menu to achieve code execution through SEH chain exploitation.

Affected products

VendorProductAffectedFixed
Sourceforge Snes9K 0.0.9z 0.0.9z —

References