CVE-2023-40296: Eminfedar Async-Sockets-Cpp

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in udpsocket.hpp when processing malformed UDP packets.

Affected products

• Eminfedar Async-Sockets-Cpp: up to and including 0.3.1

Published 2023-08-14. Last modified 2026-06-17.