ubuntu-cve-2021-29421
Vulnerability from osv_ubuntu
Published
2021-04-01 20:15
Modified
2026-05-20 14:53
Summary
Details

models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pikepdf",
            "binary_version": "1.10.3+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "pikepdf",
        "purl": "pkg:deb/ubuntu/pikepdf@1.10.3+dfsg-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.4+dfsg-1",
        "1.6.4+dfsg-1build1",
        "1.6.5+dfsg-1",
        "1.7.0+dfsg-1",
        "1.8.1+dfsg-1",
        "1.10.0+dfsg-1build1",
        "1.10.3+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pikepdf",
            "binary_version": "5.0.1+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "pikepdf",
        "purl": "pkg:deb/ubuntu/pikepdf@5.0.1+dfsg-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.17.3+dfsg-5ubuntu1",
        "3.2.0+dfsg-2",
        "4.2.0+dfsg-1",
        "5.0.1+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pikepdf",
            "binary_version": "8.7.1+dfsg-2build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "pikepdf",
        "purl": "pkg:deb/ubuntu/pikepdf@8.7.1+dfsg-2build2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.3.2+dfsg-1",
        "8.5.1+dfsg-1",
        "8.5.1+dfsg-1build1",
        "8.7.1+dfsg-2",
        "8.7.1+dfsg-2build1",
        "8.7.1+dfsg-2build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pikepdf",
            "binary_version": "9.5.2+dfsg-1build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "pikepdf",
        "purl": "pkg:deb/ubuntu/pikepdf@9.5.2+dfsg-1build2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.5.2+dfsg-1build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python3-pikepdf",
            "binary_version": "10.3.0+dfsg-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "pikepdf",
        "purl": "pkg:deb/ubuntu/pikepdf@10.3.0+dfsg-1build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.5.2+dfsg-1build2",
        "9.5.2+dfsg-1build3",
        "10.2.0+dfsg-1",
        "10.3.0+dfsg-1",
        "10.3.0+dfsg-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.",
  "id": "UBUNTU-CVE-2021-29421",
  "modified": "2026-05-20T14:53:16Z",
  "published": "2021-04-01T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-29421"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343a"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-29421"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-29421"
  ]
}



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