High severityNVD Advisory· Published Feb 19, 2026· Updated Feb 20, 2026
Go Ethereum affected by DoS via malicious p2p message
CVE-2026-26314
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/ethereum/go-ethereumGo | < 1.16.9 | 1.16.9 |
Affected products
3- ghsa-coords2 versionspkg:golang/github.com/ethereum/go-ethereumpkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6
< 1.16.9+ 1 more
- (no CPE)range: < 1.16.9
- (no CPE)range: < 0.0.20260226T182644-150000.1.149.1
- Range: < 1.16.9
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-2gjw-fg97-vg3rghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-26314ghsaADVISORY
- github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60ghsax_refsource_MISCWEB
- github.com/ethereum/go-ethereum/releases/tag/v1.16.9ghsax_refsource_MISCWEB
- github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3rghsax_refsource_CONFIRMWEB
- pkg.go.dev/vuln/GO-2026-4507ghsaWEB
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