GHSA-689V-6XWF-5JF3

Vulnerability from github – Published: 2026-02-18 22:34 – Updated: 2026-02-19 21:57
VLAI?
Summary
Go Ethereum affected by DoS via malicious p2p message
Details

Impact

An attacker can cause high memory usage by sending a specially-crafted p2p message. More details to be released later.

Patches

The issue is resolved in the v1.17.0 release.

Credit

This issue was reported to the Ethereum Foundation Bug Bounty Program by @revofusion

Severity ?
6.9 (Medium)
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
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/ethereum/go-ethereum"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.17.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-26313"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-18T22:34:49Z",
    "nvd_published_at": "2026-02-19T21:18:31Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nAn attacker can cause high memory usage by sending a specially-crafted p2p message.\nMore details to be released later.\n\n### Patches\n\nThe issue is resolved in the v1.17.0 release. \n\n### Credit\n\nThis issue was reported to the Ethereum Foundation Bug Bounty Program by @revofusion",
  "id": "GHSA-689v-6xwf-5jf3",
  "modified": "2026-02-19T21:57:09Z",
  "published": "2026-02-18T22:34:49Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-689v-6xwf-5jf3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26313"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ethereum/go-ethereum"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.17.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Go Ethereum affected by DoS via malicious p2p message"
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.