{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "1.10.0"
              },
              {
                "fixed": "1.10.8"
              }
            ]
          },
          "events": [
            {
              "introduced": "56dec25ae26bf749b93c3ea69538fabea60c5768"
            },
            {
              "fixed": "26675454bf93bf904be7a43cce6b3f550115ff90"
            }
          ],
          "repo": "https://github.com/ethereum/go-ethereum",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "go-ethereum is the official Go implementation of the Ethereum protocol. In affected versions a consensus-vulnerability in go-ethereum (Geth) could cause a chain split, where vulnerable versions refuse to accept the canonical chain. Further details about the vulnerability will be disclosed at a later date. A patch is included in the upcoming `v1.10.8` release. No workaround are available.",
  "id": "CVE-2021-39137",
  "modified": "2026-03-13T21:55:10.511065276Z",
  "published": "2021-08-24T16:15:11.007Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.10.8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-9856-9gg9-qcmq"
    }
  ],
  "related": [
    "GHSA-9856-9gg9-qcmq"
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}