Back to Database
Status published
Medium
CVE-2021-43668
Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-43668
Credits & Attribution
No credits recorded in the NVD database.
More from ethereum
View All →CVE-2025-24883
go-ethereum has a DoS via malicious p2p message
High
8.7
CVE-2024-32972
go-ethereum denial of service via malicious p2p message
High
7.5
CVE-2023-40591
Denial of service via malicious p2p message in go-ethereum
High
7.5
CVE-2022-37450
Go Ethereum (aka geth) through 1.10.21 allows attackers to increase...
Medium
5.9
CVE-2022-29177
DoS via malicious p2p message in Go-Ethereum
Medium
5.9
Affected Vendor
ethereum
View all reports →Affected Software
go ethereum
Vulnerable Versions:
1.10.9
Timeline
Official Publish:
November 18th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.