usn-4333-2
Vulnerability from osv_ubuntu
Published
2020-04-30 11:37
Modified
2026-04-22 07:36
Summary
python3.8 vulnerabilities
Details

USN-4333-1 fixed vulnerabilities in Python. This update provides the corresponding update for Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that Python incorrectly stripped certain characters from requests. A remote attacker could use this issue to perform CRLF injection. (CVE-2019-18348)

It was discovered that Python incorrectly handled certain HTTP requests. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-8492)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-18348",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8492",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "idle-python3.8",
            "binary_version": "3.8.2-1ubuntu1.1"
          },
          {
            "binary_name": "libpython3.8",
            "binary_version": "3.8.2-1ubuntu1.1"
          },
          {
            "binary_name": "libpython3.8-minimal",
            "binary_version": "3.8.2-1ubuntu1.1"
          },
          {
            "binary_name": "libpython3.8-stdlib",
            "binary_version": "3.8.2-1ubuntu1.1"
          },
          {
            "binary_name": "libpython3.8-testsuite",
            "binary_version": "3.8.2-1ubuntu1.1"
          },
          {
            "binary_name": "python3.8",
            "binary_version": "3.8.2-1ubuntu1.1"
          },
          {
            "binary_name": "python3.8-examples",
            "binary_version": "3.8.2-1ubuntu1.1"
          },
          {
            "binary_name": "python3.8-minimal",
            "binary_version": "3.8.2-1ubuntu1.1"
          },
          {
            "binary_name": "python3.8-venv",
            "binary_version": "3.8.2-1ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "python3.8",
        "purl": "pkg:deb/ubuntu/python3.8@3.8.2-1ubuntu1.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.8.2-1ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.8.0-1",
        "3.8.0-2",
        "3.8.0-3",
        "3.8.0-4",
        "3.8.0-5",
        "3.8.1-2ubuntu3",
        "3.8.2~rc1-1ubuntu1",
        "3.8.2-1",
        "3.8.2-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-4333-1 fixed vulnerabilities in Python. This update provides\nthe corresponding update for Ubuntu 20.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that Python incorrectly stripped certain characters from\n requests. A remote attacker could use this issue to perform CRLF injection.\n (CVE-2019-18348)\n\n It was discovered that Python incorrectly handled certain HTTP requests.\n An attacker could possibly use this issue to cause a denial of service.\n (CVE-2020-8492)\n",
  "id": "USN-4333-2",
  "modified": "2026-04-22T07:36:38Z",
  "published": "2020-04-30T11:37:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4333-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-18348"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8492"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "python3.8 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-18348",
    "UBUNTU-CVE-2020-8492"
  ]
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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