usn-5342-3
Vulnerability from osv_ubuntu
Published
2022-05-23 08:53
Modified
2026-04-22 07:37
Summary
python3.7 vulnerability
Details

USN-5342-1 fixed several vulnerabilities in Python. This update provides the corresponding fix for CVE-2021-3426 for Ubuntu 18.04 ESM.

Original advisory details:

David Schwörer discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2021-3426)

It was discovered that Python incorrectly handled certain FTP requests. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, and Ubuntu 18.04 LTS. (CVE-2021-4189)

It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2022-0391)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-3426",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "idle-python3.7",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "libpython3.7",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "libpython3.7-minimal",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "libpython3.7-stdlib",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "libpython3.7-testsuite",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "python3.7",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "python3.7-examples",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "python3.7-minimal",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "python3.7-venv",
            "binary_version": "3.7.5-2ubuntu1~18.04.2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "python3.7",
        "purl": "pkg:deb/ubuntu/python3.7@3.7.5-2ubuntu1~18.04.2+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.7.5-2ubuntu1~18.04.2+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.7.0~a2-1",
        "3.7.0~a3-1",
        "3.7.0~a3-2",
        "3.7.0~a3-3",
        "3.7.0~a4-1",
        "3.7.0~b1-1",
        "3.7.0~b1-1build1",
        "3.7.0~b2-1",
        "3.7.0~b3-1",
        "3.7.0-1~18.04",
        "3.7.1-1~18.04",
        "3.7.3-2~18.04.1",
        "3.7.5-2~18.04",
        "3.7.5-2~18.04.4",
        "3.7.5-2ubuntu1~18.04.2"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-5342-1 fixed several vulnerabilities in Python. This update provides\nthe corresponding fix for CVE-2021-3426 for Ubuntu 18.04 ESM.\n\nOriginal advisory details:\n\n David Schw\u00f6rer discovered that Python incorrectly handled certain inputs.\n An attacker could possibly use this issue to expose sensitive information.\n This issue only affected Ubuntu 18.04 LTS. (CVE-2021-3426)\n \n It was discovered that Python incorrectly handled certain FTP requests.\n An attacker could possibly use this issue to expose sensitive information.\n This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, and Ubuntu 18.04 LTS.\n (CVE-2021-4189)\n \n It was discovered that Python incorrectly handled certain inputs.\n An attacker could possibly use this issue to execute arbitrary code.\n (CVE-2022-0391)\n",
  "id": "USN-5342-3",
  "modified": "2026-04-22T07:37:01Z",
  "published": "2022-05-23T08:53:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5342-3"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3426"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "python3.7 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2021-3426"
  ]
}



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