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OpenAdvisories
High · 8.7 CVE-2026-26314 EUVD-2026-8437GHSA-2gjw-fg97-vg3rGO-2026-4507

Go Ethereum affected by DoS via malicious p2p message

Published Feb 19, 2026 · Updated Feb 20, 2026 · Assigned by GitHub_M

Description

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, a vulnerable node can be forced to shutdown/crash using a specially crafted message. The problem is resolved in the v1.16.9 and v1.17.0 releases of Geth.

Affected products

VendorProductAffectedFixed
ethereum go-ethereum < 1.16.9 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1
openSUSE Leap 15.6 govulncheck-vulndb 0.0.20260226T182644-150000.1.149.1 SUSE-SU-2026:0757-1
ReleasePackageFixed inAdvisory
Alpine v3.24 geth 1.17.0-r0 —
Alpine v3.23 geth 1.17.0-r0 —

Affected packages

EcosystemPackageAffectedFixedRecord
Go github.com/ethereum/go-ethereum < 1.16.9 1.16.9 GHSA-2gjw-fg97-vg3r

Advisories 2

References