Incorrect DAG generation result caused by index overflow

Lines of code Vulnerability details Incorrect DAG generation result caused by index overflow We recently found that the optimism@382d38b repository has a flaw in DAG generation for ethhash mining, which will cause miners to erroneously calculate PoW in an upcoming epoch. Specifically, if the DAG...

Erroneous Proof of Work calculation in geth

Impact An ethash mining DAG generation flaw in Geth could cause miners to erroneously calculate PoW in an upcoming epoch estimated early January, 2021. This happened on the ETC chain on 2020-11-06. This issue is relevant only for miners, non-mining nodes are unaffected. Patches This issue is also...

CVE-2020-26240

Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. An ethash mining DAG generation flaw in Geth before version 1.9.24 could cause miners to erroneously calculate PoW in an upcoming epoch estimated early January, 2021. This happened on the ETC chain on...

Ethereum Go-ethereum Security Breach

Ethereum Go-ethereum is a codebase from the Ethereum community that implements the ethereum protocol in the Go language. Ethereum Go-ethereum version prior to 1.9.24 is vulnerable to a security flaw that stems from the mining of a DAG generation vulnerability could cause miners to incorrectly...