CVE-2021-39137

Medium

Description

go-ethereum is the official Go implementation of the Ethereum protocol. In affected versions a consensus-vulnerability in go-ethereum (Geth) could cause a chain split, where vulnerable versions refuse to accept the canonical chain. Further details about the vulnerability will be disclosed at a later date. A patch is included in the upcoming `v1.10.8` release. No workaround are available.

SeverityMedium
CVSS6.5
Exploit probability—
ProductGo Ethereum
PublishedAug 24, 2021
First seenAug 24, 2021
Weakness typeCWE-436CWE-436

How to fix

Update
  • ethereum go_ethereum1.10.8 or later
  • github.com/ethereum/go-ethereum1.10.8 or later

Affected products

ProductAffected versionsFixed in
ethereum go_ethereum1.10.0 ≤ v < 1.10.81.10.8
github.com/ethereum/go-ethereumGo1.10.0 ≤ v < 1.10.8, v < 1.10.81.10.8

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