Memory Usage Vulnerability in Go-Ethereum by Ethereum Foundation
CVE-2026-26313

6.9MEDIUM

Key Information:

Vendor

Ethereum

Status
Go-ethereum
Vendor
CVE Published:
19 February 2026

What is CVE-2026-26313?

A memory usage issue has been identified in the go-ethereum implementation of the Ethereum protocol. Attackers can exploit this vulnerability by sending specially-crafted peer-to-peer messages, leading to excessive memory consumption. This situation can hinder the performance of affected systems. The issue has been addressed in version 1.17.0, which mitigates the risk by improving message handling.

Affected Version(s)

go-ethereum < 1.17.0

References

https://github.com/ethereum/go-ethereum/security/advisori...
x_refsource_CONFIRM
https://github.com/ethereum/go-ethereum/releases/tag/v1.17.0
x_refsource_MISC

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.