CVE-2021-41173

Go Ethereum is the official Golang implementation of the Ethereum protocol. Prior to version 1.10.9, a vulnerable node is susceptible to crash when processing a maliciously crafted message from a peer. Version v1.10.9 contains patches to the vulnerability. There are no known workarounds aside from upgrading.

• CWE-20

• https://github.com/ethereum/go-ethereum/commit/e40b37718326b8b4873b3b00a0db2e6c6d9ea738Patch, Third Party Advisory
• https://github.com/ethereum/go-ethereum/pull/23801Patch, Third Party Advisory
• https://github.com/ethereum/go-ethereum/releases/tag/v1.10.9Release Notes, Third Party Advisory
• https://github.com/ethereum/go-ethereum/security/advisories/GHSA-59hh-656j-3p7vThird Party Advisory
• https://github.com/ethereum/go-ethereum/commit/e40b37718326b8b4873b3b00a0db2e6c6d9ea738Patch, Third Party Advisory
• https://github.com/ethereum/go-ethereum/pull/23801Patch, Third Party Advisory
• https://github.com/ethereum/go-ethereum/releases/tag/v1.10.9Release Notes, Third Party Advisory
• https://github.com/ethereum/go-ethereum/security/advisories/GHSA-59hh-656j-3p7vThird Party Advisory

Published

Oct 26, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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