CVE-2026-26314

HIGH

go-ethereum < 1.16.9 - Denial of Service via Crafted Message

Title source: llm

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.

References (3)

Core 3

Core References

Vendor Advisory x_refsource_confirm

https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r

Patch x_refsource_misc

https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60

View Patch ZIP pw:eip

Release Notes x_refsource_misc

https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9

Scores

CVSS v3 7.5

EPSS 0.0058

EPSS Percentile 43.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (2)

ethereum/go-ethereum 0 - 1.16.9Go

ethereum/go_ethereum < 1.16.9

Published Feb 19, 2026

Tracked Since Feb 20, 2026