CVE-2026-22868

go-ethereum has a DoS via malicious p2p message

State: Published
Severity: 7.1 High
Published: Jan 13, 2026
Updated: Jan 14, 2026
Reserved: Jan 12, 2026

Description

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. A vulnerable node can be forced to shutdown/crash using a specially crafted message. This vulnerability is fixed in 1.16.8.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	GitHub_M

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
go-ethereumethereum	< 1.16.8Affected

References

https://github.com/ethereum/go-ethereum/security/advisories/GHSA-mq3p-rrmp-79jg
https://github.com/ethereum/go-ethereum/commit/abeb78c647e354ed922726a1d719ac7bc64a07e2

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