GitHub Advisoryadvisory · Go

GHSA-mq3p-rrmp-79jg go-ethereum is vulnerable to high CPU usage leading to DoS via malicious p2p message

HIGH Published 2026-01-13 Modified 2026-01-13 Official page ↗
Aliases
CVE-2026-22868
Ecosystem
Go
Packages
github.com/ethereum/go-ethereum
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weaknesses
CWE-20, CWE-400
Reviewed
2026-01-13

Affected packages

• Go github.com/ethereum/go-ethereum: < 1.16.8 → fixed in 1.16.8

Description

Impact An attacker can cause high CPU usage by sending a specially crafted p2p message. More details to be released later. Credit This issue was reported to the Ethereum Foundation Bug Bounty Program by @Yenya030

Related

Alias · CVE (1)

  • CVE-2026-22868 go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. vulnerability

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-400 Uncontrolled Resource Consumption weakness

References