Medium severity5.5NVD Advisory· Published Nov 18, 2021· Updated Jun 17, 2026
CVE-2021-43668
CVE-2021-43668
Description
Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with "runtime error: invalid memory address or nil pointer dereference" and arise a SEGV signal.
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LLM-synthesized narrative grounded in this CVE's description and references.
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
4- github.com/advisories/GHSA-5m8f-chrv-7rw5ghsaADVISORY
- github.com/ethereum/go-ethereum/issues/23866nvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2021-43668ghsaADVISORY
- github.com/syndtr/goleveldb/issues/373ghsaWEB
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