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OpenAdvisories
Medium · 6.9 CVE-2026-26313 EUVD-2026-8397GHSA-689v-6xwf-5jf3GO-2026-4508

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 1.17.0, an attacker can cause high memory usage by sending a specially-crafted p2p message. The issue is resolved in the v1.17.0 release.

Affected products

VendorProductAffectedFixed
ethereum go-ethereum < 1.17.0 —

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 < 1.17.0 1.17.0 GHSA-689v-6xwf-5jf3

Advisories 2

References