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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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References
Link Providers
https://github.com/ethereum/go-ethereum/releases/tag/v1.17.0 cve-icon cve-icon
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3 cve-icon cve-icon
History

Thu, 19 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
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.
Title Go Ethereum affected by DoS via malicious p2p message
Weaknesses CWE-770
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-19T21:07:37.943Z

Reserved: 2026-02-13T16:27:51.807Z

Link: CVE-2026-26313

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-19T21:18:31.980

Modified: 2026-02-19T21:18:31.980

Link: CVE-2026-26313

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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