USN-6287-1 (UBUNTU-CVE-2021-4235)

Vulnerability from osv_ubuntu – Published: 2023-08-14 08:42 – Updated: 2026-06-25 10:46 – Source website
VLAI
Summary
golang-yaml.v2 vulnerabilities
Details

Simon Ferquel discovered that the Go yaml package incorrectly handled certain YAML documents. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause the system to crash, resulting in a denial of service. (CVE-2021-4235)

It was discovered that the Go yaml package incorrectly handled certain large YAML documents. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause the system to crash, resulting in a denial of service. (CVE-2022-3064)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-4235",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-3064",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "golang-yaml.v2-dev",
            "binary_version": "0.0+git20160301.0.a83829b-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "golang-yaml.v2",
        "purl": "pkg:deb/ubuntu/golang-yaml.v2@0.0+git20160301.0.a83829b-1ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0+git20160301.0.a83829b-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0+git20150627.7ad95dd-1",
        "0.0+git20160301.0.a83829b-1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-4235",
              "severity": [
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                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-3064",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "golang-gopkg-yaml.v2-dev",
            "binary_version": "0.0+git20170407.0.cd8b52f-1ubuntu2+esm1"
          },
          {
            "binary_name": "golang-yaml.v2-dev",
            "binary_version": "0.0+git20170407.0.cd8b52f-1ubuntu2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "golang-yaml.v2",
        "purl": "pkg:deb/ubuntu/golang-yaml.v2@0.0+git20170407.0.cd8b52f-1ubuntu2+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0+git20170407.0.cd8b52f-1ubuntu2+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0+git20170407.0.cd8b52f-1ubuntu1",
        "0.0+git20170407.0.cd8b52f-1ubuntu2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-4235",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-3064",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-gopkg-yaml.v2-dev",
            "binary_version": "2.2.2-1ubuntu0.1"
          },
          {
            "binary_name": "golang-yaml.v2-dev",
            "binary_version": "2.2.2-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "golang-yaml.v2",
        "purl": "pkg:deb/ubuntu/golang-yaml.v2@2.2.2-1ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.2-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.2-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Simon Ferquel discovered that the Go yaml package incorrectly handled\ncertain YAML documents. If a user or an automated system were tricked\ninto opening a specially crafted input file, a remote attacker could\npossibly use this issue to cause the system to crash, resulting in\na denial of service. (CVE-2021-4235)\n\nIt was discovered that the Go yaml package incorrectly handled\ncertain large YAML documents. If a user or an automated system were tricked\ninto opening a specially crafted input file, a remote attacker could\npossibly use this issue to cause the system to crash, resulting in\na denial of service. (CVE-2022-3064)\n",
  "id": "USN-6287-1",
  "modified": "2026-06-25T10:46:15Z",
  "published": "2023-08-14T08:42:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6287-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-4235"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-3064"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "golang-yaml.v2 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-4235",
    "UBUNTU-CVE-2022-3064"
  ]
}



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