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Incorrect Calculation

CVE-2020-26240

Severity High
Score 7.5/10

Summary

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

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • NONE

CWE-682 - Incorrect Calculation

The software performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

Advisory Timeline

  • Published