{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "95665d5703e1023995a0ff93e4ce9eb77e8a59bd"
            }
          ],
          "repo": "https://github.com/ethereum/go-ethereum",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-2gjw-fg97-vg3r"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-20"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26314.json"
  },
  "details": "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.",
  "id": "CVE-2026-26314",
  "modified": "2026-04-01T23:10:05.616992645Z",
  "published": "2026-02-19T21:15:11.752Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26314.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26314"
    },
    {
      "type": "FIX",
      "url": "https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Go Ethereum affected by DoS via malicious p2p message"
}