CVE-2023-40591

Summary

CVE-2023-40591 affects the go-ethereum (geth) implementation of the Ethereum protocol, which is written in golang. This vulnerability enables an attacker to send specially crafted p2p messages to a vulnerable node, resulting in unbounded memory consumption. The impact is significant as it may result in a denial-of-service (DoS) attack or even a node crash. The recommended solution is to upgrade to geth version 1.12.1-stable or later. Unfortunately, there are no known workarounds for this issue, making upgrading the only viable solution for mitigation.

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