Vulnerability from bitnami_vulndb
Published
2026-01-26 14:43
Modified
2026-01-27 09:14
Summary
Header injection via newlines in data URL mediatype
Details

User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.

To clipboard Create KEV Entry 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "libpython",
        "purl": "pkg:bitnami/libpython"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.15.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "type": "CVSS_V4"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-15282"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.",
  "id": "BIT-libpython-2025-15282",
  "modified": "2026-01-27T09:14:53.416Z",
  "published": "2026-01-26T14:43:08.856Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/05356b1cc153108aaf27f3b72ce438af4aa218c0"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/f25509e78e8be6ea73c811ac2b8c928c28841b9f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/issues/143925"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/pull/143926"
    },
    {
      "type": "WEB",
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/X66HL7SISGJT33J53OHXMZT4DFLMHVKF/"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15282"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/34d76b00dabde81a793bd06dd8ecb057838c4b38"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/3f396ca9d7bbe2a50ea6b8c9b27c0082884d9f80"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/4ed11d3cd288e6b90196a15c5a825a45d318fe47"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python/cpython/commit/a35ca3be5842505dab74dc0b90b89cde0405017a"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Header injection via newlines in data URL mediatype"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.