This indicates an attack attempt against a Buffer Overflow vulnerability in EOS WASMSDK Library.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted file. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted file
EOS WASMSDK Library
System Compromise: Remote attackers can gain control of vulnerable systems.
Fetch the latest WASMSDK repository from https://github.com/eosio/eosio.wasmsdk