CVE-2023-40591 - CVE House
Back to Database
Status published High CVE-2023-40591

Denial of service via malicious p2p message in go-ethereum

Vulnerability Description

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. A vulnerable node, can be made to consume unbounded amounts of memory when handling specially crafted p2p messages sent from an attacker node. The fix is included in geth version `1.12.1-stable`, i.e, `1.12.2-unstable` and onwards. Users are advised to upgrade. There are no known workarounds for this vulnerability.

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-2023-40591

Credits & Attribution

No credits recorded in the NVD database.

References

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-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
CVE-2022-23328
A design flaw in all versions of Go-Ethereum allows an...
High 7.5

Affected Vendor

Affected Software

go-ethereum
Vulnerable Versions:
< 1.12.1-stable

Timeline

Official Publish: September 6th, 2023
Last Modified: September 26th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-400

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact