ubuntu-cve-2021-38561
Vulnerability from osv_ubuntu
Published
2022-12-26 06:15
Modified
2025-10-24 04:50
Summary
Details

golang.org/x/text/language in golang.org/x/text before 0.3.7 can panic with an out-of-bounds read during BCP 47 language tag parsing. Index calculation is mishandled. If parsing untrusted user input, this can be used as a vector for a denial-of-service attack.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-x-text-dev",
            "binary_version": "0+git20151217.cf49866-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "golang-x-text",
        "purl": "pkg:deb/ubuntu/golang-x-text@0+git20151217.cf49866-0ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0+git20151019.0fe7e68-0ubuntu1",
        "0+git20151217.cf49866-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-golang-x-text-dev",
            "binary_version": "0.0~git20170627.0.6353ef0-1ubuntu2.1"
          },
          {
            "binary_name": "golang-x-text-dev",
            "binary_version": "0.0~git20170627.0.6353ef0-1ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "golang-x-text",
        "purl": "pkg:deb/ubuntu/golang-x-text@0.0~git20170627.0.6353ef0-1ubuntu2.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0~git20170627.0.6353ef0-1ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0~git20170627.0.6353ef0-1ubuntu1",
        "0.0~git20170627.0.6353ef0-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-golang-x-text-dev",
            "binary_version": "0.3.2-4ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "golang-golang-x-text",
        "purl": "pkg:deb/ubuntu/golang-golang-x-text@0.3.2-4ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.3.2-4ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.2-3",
        "0.3.2-4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-golang-x-text-dev",
            "binary_version": "0.3.2-1"
          },
          {
            "binary_name": "golang-x-text-dev",
            "binary_version": "0.3.2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "golang-x-text",
        "purl": "pkg:deb/ubuntu/golang-x-text@0.3.2-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-golang-x-text-dev",
            "binary_version": "0.3.7-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "golang-golang-x-text",
        "purl": "pkg:deb/ubuntu/golang-golang-x-text@0.3.7-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.3.7-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3.6-1"
      ]
    }
  ],
  "aliases": [],
  "details": "golang.org/x/text/language in golang.org/x/text before 0.3.7 can panic with an out-of-bounds read during BCP 47 language tag parsing. Index calculation is mishandled. If parsing untrusted user input, this can be used as a vector for a denial-of-service attack.",
  "id": "UBUNTU-CVE-2021-38561",
  "modified": "2025-10-24T04:50:29Z",
  "published": "2022-12-26T06:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-38561"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5873-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-38561"
    }
  ],
  "related": [
    "USN-5873-1"
  ],
  "schema_version": "1.7.0",
  "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"
    }
  ],
  "upstream": [
    "CVE-2021-38561"
  ]
}



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