CVE-2020-26265: GO-2021-0105 - Consensus flaw in github.com/ethereum/go-ethereum

CVE-2020-26265 · Severity: low · CVSS 3.1 · Published 2021-07-28

Consensus flaw in github.com/ethereum/go-ethereum

Technologies: github.com/ethereum/go-ethereum (Go). Vendors: Go.

Quick answers

Is CVE-2020-26265 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-26265 being exploited in the wild.
How severe is CVE-2020-26265?
Low severity, with a CVSS score of 3.1, published 28 July 2021.
Which products and versions are affected?
github.com/ethereum/go-ethereum (Go) SEMVER:introduced=1.9.4,fixed=1.9.20.
Is there a fix for CVE-2020-26265?
Yes. github.com/ethereum/go-ethereum (Go): upgrade to 1.9.20 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-26265?
Check whether you run github.com/ethereum/go-ethereum (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/ethereum/go-ethereum (Go): upgrade to 1.9.20 or later
    go get github.com/ethereum/go-ethereum@v1.9.20

Affected products

  • github.com/ethereum/go-ethereum (Go) SEMVER:introduced=1.9.4,fixed=1.9.20

Identifiers

  • CVE-2020-26265
  • GHSA-xw37-57qp-9mm4
  • GO-2021-0105

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