GitHub Advisoryadvisory · Go

GHSA-2gjw-fg97-vg3r Go Ethereum affected by DoS via malicious p2p message

HIGH Published 2026-02-18 Modified 2026-02-27 Official page ↗
Aliases
CVE-2026-26314
Ecosystem
Go
Packages
github.com/ethereum/go-ethereum
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weaknesses
CWE-20
Reviewed
2026-02-18

Affected packages

• Go github.com/ethereum/go-ethereum: < 1.16.9 → fixed in 1.16.9

Description

Impact A vulnerable node can be forced to shutdown/crash using a specially crafted message. More details to be released later. Patches The problem is resolved in the v1.16.9 and v1.17.0 releases of Geth. Credit This issue was reported to the Ethereum Foundation Bug Bounty Program by Waleed Ahmed from vulsight.com

Related

Alias · CVE (1)

  • CVE-2026-26314 go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. vulnerability

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References