ubuntu-cve-2021-43668
Vulnerability from osv_ubuntu
Published
2021-11-18 16:15
Modified
2026-05-20 14:53
Summary
Details

Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with "runtime error: invalid memory address or nil pointer dereference" and arise a SEGV signal.

Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-goleveldb-dev",
            "binary_version": "0+git20150819.1a9d62f-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "golang-goleveldb",
        "purl": "pkg:deb/ubuntu/golang-goleveldb@0+git20150819.1a9d62f-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0+git20150214.e9e2c8f-1",
        "0+git20150819.1a9d62f-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-syndtr-goleveldb-dev",
            "binary_version": "0.0~git20170725.0.b89cc31-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "golang-goleveldb",
        "purl": "pkg:deb/ubuntu/golang-goleveldb@0.0~git20170725.0.b89cc31-2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20170302.0.3c5717c-5",
        "0.0~git20170725.0.b89cc31-1",
        "0.0~git20170725.0.b89cc31-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-syndtr-goleveldb-dev",
            "binary_version": "0.0~git20170725.0.b89cc31-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "golang-goleveldb",
        "purl": "pkg:deb/ubuntu/golang-goleveldb@0.0~git20170725.0.b89cc31-2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20170725.0.b89cc31-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-syndtr-goleveldb-dev",
            "binary_version": "0.0~git20200815.5c35d60-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "golang-goleveldb",
        "purl": "pkg:deb/ubuntu/golang-goleveldb@0.0~git20200815.5c35d60-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20200815.5c35d60-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-syndtr-goleveldb-dev",
            "binary_version": "0.0~git20200815.5c35d60-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "golang-goleveldb",
        "purl": "pkg:deb/ubuntu/golang-goleveldb@0.0~git20200815.5c35d60-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20200815.5c35d60-1",
        "0.0~git20200815.5c35d60-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-syndtr-goleveldb-dev",
            "binary_version": "0.0~git20200815.5c35d60-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "golang-goleveldb",
        "purl": "pkg:deb/ubuntu/golang-goleveldb@0.0~git20200815.5c35d60-2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20200815.5c35d60-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-syndtr-goleveldb-dev",
            "binary_version": "0.0~git20200815.5c35d60-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "golang-goleveldb",
        "purl": "pkg:deb/ubuntu/golang-goleveldb@0.0~git20200815.5c35d60-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20200815.5c35d60-2"
      ]
    }
  ],
  "aliases": [],
  "details": "Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with \"runtime error: invalid memory address or nil pointer dereference\" and arise a SEGV signal.",
  "id": "UBUNTU-CVE-2021-43668",
  "modified": "2026-05-20T14:53:36Z",
  "published": "2021-11-18T16:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-43668"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/ethereum/go-ethereum/issues/23866"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-43668"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-43668"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.