CVE-2020-26240
Medium
Description
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 2020-11-06. This issue is relevant only for miners, non-mining nodes are unaffected. This issue is fixed as of 1.9.24
SeverityMedium
CVSS5.3
Exploit probability—
ProductGo Ethereum
PublishedNov 25, 2020
First seenNov 25, 2020
Weakness typeCWE-682CWE-682
How to fix
Update
- ethereum go_ethereum1.9.24 or later
- github.com/ethereum/go-ethereum1.9.24 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ethereum go_ethereum | v < 1.9.24 | 1.9.24 |
| github.com/ethereum/go-ethereumGo | v < 1.9.24 | 1.9.24 |
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