UBUNTU-CVE-2021-41945 (CVE-2021-41945)

Vulnerability from osv_ubuntu – Published: 2022-04-28 14:15 – Updated: 2026-10-17 09:08 – Source website
VLAI
Details

Encode OSS httpx < 0.23.0 is affected by improper input validation in httpx.URL, httpx.Client and some functions using httpx.URL.copy_with.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-httpx",
            "binary_version": "0.26.0-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "httpx",
        "purl": "pkg:deb/ubuntu/httpx@0.26.0-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.23.3-1",
        "0.26.0-1",
        "0.26.0-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-httpx",
            "binary_version": "0.28.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "httpx",
        "purl": "pkg:deb/ubuntu/httpx@0.28.1-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.28.1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-httpx",
            "binary_version": "0.28.1-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "httpx",
        "purl": "pkg:deb/ubuntu/httpx@0.28.1-2?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.28.1-1build1",
        "0.28.1-1.1",
        "0.28.1-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-httpx",
            "binary_version": "0.28.1-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "httpx",
        "purl": "pkg:deb/ubuntu/httpx@0.28.1-1build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.28.1-1",
        "0.28.1-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "Encode OSS httpx \u003c 0.23.0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`.",
  "id": "UBUNTU-CVE-2021-41945",
  "modified": "2026-10-17T09:08:36Z",
  "published": "2022-04-28T14:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-41945"
    },
    {
      "type": "REPORT",
      "url": "https://gist.github.com/lebr0nli/4edb76bbd3b5ff993cf44f2fbce5e571"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/encode/httpx/discussions/1831"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/encode/httpx/issues/2184"
    },
    {
      "type": "REPORT",
      "url": "https://sources.debian.org/src/httpx/0.22.0-2/httpx/_models.py/?hl=537#L537"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-41945"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-41945"
  ]
}



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