Vulnerability-Lookup

PYSEC-2026-801

Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-07 11:30

Details

The XML libraries for Python, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.

Impacted products

Name	purl
django	pkg:pypi/django

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "django",
        "purl": "pkg:pypi/django"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.3.0"
            },
            {
              "fixed": "1.3.6"
            },
            {
              "introduced": "1.4.0"
            },
            {
              "fixed": "1.4.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3",
        "1.3.1",
        "1.3.2",
        "1.3.3",
        "1.3.4",
        "1.3.5",
        "1.4",
        "1.4.1",
        "1.4.2",
        "1.4.3"
      ]
    }
  ],
  "aliases": [
    "CVE-2013-1664",
    "GHSA-qrh7-x6fp-c2mp"
  ],
  "details": "The XML libraries for Python, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.",
  "id": "PYSEC-2026-801",
  "modified": "2026-07-07T11:30:32.314316Z",
  "published": "2026-07-06T08:03:27.156164Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1664"
    },
    {
      "type": "WEB",
      "url": "https://github.com/django/django/commit/1c60d07ba23e0350351c278ad28d0bd5aa410b40"
    },
    {
      "type": "WEB",
      "url": "https://github.com/django/django/commit/d19a27066b2247102e65412aa66917aff0091112"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/nova/+bug/1100282"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/django/django"
    },
    {
      "type": "WEB",
      "url": "http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html"
    },
    {
      "type": "WEB",
      "url": "http://bugs.python.org/issue17239"
    },
    {
      "type": "WEB",
      "url": "http://lists.openstack.org/pipermail/openstack-announce/2013-February/000078.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0657.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0658.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0670.html"
    },
    {
      "type": "WEB",
      "url": "http://ubuntu.com/usn/usn-1757-1"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2013/02/19/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2013/02/19/4"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/django"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-qrh7-x6fp-c2mp"
    }
  ],
  "summary": "XML Entity Expansion (XEE) in Django"
}

CVE-2013-1664 (GCVE-0-2013-1664)

Vulnerability from cvelistv5 – Published: 2013-04-03 00:00 – Updated: 2024-08-06 15:13

Summary

The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

10 references

URL	Tags
http://www.openwall.com/lists/oss-security/2013/02/19/4	mailing-listx_refsource_MLIST
http://lists.openstack.org/pipermail/openstack-an…	mailing-listx_refsource_MLIST
http://rhn.redhat.com/errata/RHSA-2013-0658.html	vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2013/02/19/2	mailing-listx_refsource_MLIST
http://ubuntu.com/usn/usn-1757-1	vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2013-0657.html	vendor-advisoryx_refsource_REDHAT
https://bugs.launchpad.net/nova/+bug/1100282	x_refsource_CONFIRM
http://blog.python.org/2013/02/announcing-defused…	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2013-0670.html	vendor-advisoryx_refsource_REDHAT
http://bugs.python.org/issue17239	x_refsource_CONFIRM

Date Public

2013-02-19 00:00

Show details on NVD website

JSON

To clipboard

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          "name": "USN-1757-1",
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            "x_refsource_UBUNTU"
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          "url": "https://bugs.launchpad.net/nova/+bug/1100282"
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          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html"
        },
        {
          "name": "RHSA-2013:0670",
          "tags": [
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          "url": "http://rhn.redhat.com/errata/RHSA-2013-0670.html"
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    "datePublished": "2013-04-03T00:00:00.000Z",
    "dateReserved": "2013-02-13T00:00:00.000Z",
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}

GHSA-QRH7-X6FP-C2MP

Vulnerability from github – Published: 2022-05-17 05:09 – Updated: 2024-05-21 20:12

Summary

XML Entity Expansion (XEE) in Django

Details

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "Django"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.3.0"
            },
            {
              "fixed": "1.3.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "Django"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.4.0"
            },
            {
              "fixed": "1.4.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2013-1664"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-611"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-05-21T20:12:01Z",
    "nvd_published_at": "2013-04-03T00:55:00Z",
    "severity": "MODERATE"
  },
  "details": "The XML libraries for Python, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.",
  "id": "GHSA-qrh7-x6fp-c2mp",
  "modified": "2024-05-21T20:12:01Z",
  "published": "2022-05-17T05:09:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1664"
    },
    {
      "type": "WEB",
      "url": "https://github.com/django/django/commit/1c60d07ba23e0350351c278ad28d0bd5aa410b40"
    },
    {
      "type": "WEB",
      "url": "https://github.com/django/django/commit/d19a27066b2247102e65412aa66917aff0091112"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/nova/+bug/1100282"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/django/django"
    },
    {
      "type": "WEB",
      "url": "http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html"
    },
    {
      "type": "WEB",
      "url": "http://bugs.python.org/issue17239"
    },
    {
      "type": "WEB",
      "url": "http://lists.openstack.org/pipermail/openstack-announce/2013-February/000078.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0657.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0658.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0670.html"
    },
    {
      "type": "WEB",
      "url": "http://ubuntu.com/usn/usn-1757-1"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2013/02/19/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2013/02/19/4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "XML Entity Expansion (XEE) in Django"
}

Sightings

Author	Source	Type	Date	Other

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.

Action not permitted

PYSEC-2026-801

CVE-2013-1664 (GCVE-0-2013-1664)

GHSA-QRH7-X6FP-C2MP

Tags

Sightings

Nomenclature