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TI-2021-19507 Aliases CVE-2021-43668GHSA-5m8f-chrv-7rw5

Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages…

Priority LOW 24CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-476.

Summary

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.

Why it matters now

EPSS 0.00259 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/ethereum/go-ethereum (Go)up to 1.10.9—No fix listedGHSA-5m8f-chrv-7rw5
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/ethereum/go-ethereum (Go) Vendor— Affected up to 1.10.9 Fixed in — No fix listed GHSA-5m8f-chrv-7rw5

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ethereum:go_ethereum:1.10.9:*:*:*:*:*:*:*1.10.9Vulnerableethereum
  • cpe:2.3:a:ethereum:go_ethereum:1.10.9:*:*:*:*:*:*:* Versions 1.10.9 Vulnerable ·ethereum

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43668
  2. 2026-10-03 Alias added: GHSA-5m8f-chrv-7rw5

References

Advisory 2

Other 2

  • TI-2023-22561 Geth (aka go-ethereum) through 1.13.4, when --http --graphql is used, allows remote… CVSS 3.1HIGH 7.5
  • TI-2026-21270 Go Ethereum affected by DoS via malicious p2p message CVSS 4.0HIGH 8.7
  • TI-2023-21389 Denial of service via malicious p2p message in go-ethereum CVSS 3.1HIGH 7.5
  • TI-2018-08612 The GetBlockHeadersMsg handler in the LES protocol implementation in Go Ethereum (aka… CVSS 3.0HIGH 7.5
  • TI-2026-21271 Go Ethereum Improperly Validates the ECIES Public Key in RLPx Handshake CVSS 4.0MEDIUM 6.9
  • TI-2026-21269 Go Ethereum affected by DoS via malicious p2p message CVSS 4.0MEDIUM 6.9
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences