CVE-2026-26313CWE-770

Go Ethereum affected by DoS via malicious p2p message

Medium · published February 19, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
52.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00692 · 52.3th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-02-19T21:07Z
EPSS history
Timeline
  • 19 FEB 21:07Z
    Go Ethereum affected by DoS via malicious p2p message
    cvelistv5