CVE-2021-42219: Allocation of Resources Without Limits or Throttling

March 17, 2022 (updated March 28, 2022)

Go-Ethereum v1.10.9 was discovered to contain an issue which allows attackers to cause a denial of service (DoS) via sending an excessive amount of messages to a node. This is caused by missing memory in the component /ethash/algorithm.go.

References

docs.google.com/document/d/1dYFSpNZPC0OV-n1mMqdc269u9yYU1XQy/edit?usp=sharing&ouid=112110745137218798745&rtpof=true&sd=true
nvd.nist.gov/vuln/detail/CVE-2021-42219

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