High severity7.5NVD Advisory· Published Mar 17, 2022· Updated Jun 17, 2026
CVE-2021-42219
CVE-2021-42219
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/ethereum/go-ethereumGo | <= 1.10.9 | — |
Affected products
3- cpe:2.3:a:ethereum:go_ethereum:1.10.9:*:*:*:*:*:*:*
- Go-Ethereum/Go-Ethereumdescription
Patches
Vulnerability mechanics
References
3- docs.google.com/document/d/1dYFSpNZPC0OV-n1mMqdc269u9yYU1XQy/editnvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-vrcc-g6vj-mh5wghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-42219ghsaADVISORY
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