The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack…
Priority LOW 30CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Partial Red Hat: 1 fixed, 3 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-119 and the CVSS impact.
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.
Why it matters now
EPSS 0.04771 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Django (PyPI): 1.3.6, 1.4.4Red Hat: 4 advisoriesRed Hat: 1 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Django (PyPI) | 1.3.0 to before 1.3.6 | 1.3.6 | Patch available | GHSA-qrh7-x6fp-c2mp |
| — | Django (PyPI) | 1.4.0 to before 1.4.4 | 1.4.4 | Patch available | GHSA-qrh7-x6fp-c2mp |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Django (PyPI) Vendor— Affected 1.3.0 to before 1.3.6 Fixed in 1.3.6 Patch available GHSA-qrh7-x6fp-c2mp
- Django (PyPI) Vendor— Affected 1.4.0 to before 1.4.4 Fixed in 1.4.4 Patch available GHSA-qrh7-x6fp-c2mp
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openstack:cinder_folsom:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | OpenStack |
| cpe:2.3:a:openstack:compute_\(nova\)_essex:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | OpenStack |
| cpe:2.3:a:openstack:compute_\(nova\)_folsom:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | OpenStack |
| cpe:2.3:a:openstack:folsom:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | OpenStack |
| cpe:2.3:a:openstack:grizzly:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | OpenStack |
| cpe:2.3:a:openstack:keystone_essex:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | OpenStack |
- cpe:2.3:a:openstack:cinder_folsom:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·OpenStack
- cpe:2.3:a:openstack:compute_\(nova\)_essex:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·OpenStack
- cpe:2.3:a:openstack:compute_\(nova\)_folsom:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·OpenStack
- cpe:2.3:a:openstack:folsom:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·OpenStack
- cpe:2.3:a:openstack:grizzly:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·OpenStack
- cpe:2.3:a:openstack:keystone_essex:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·OpenStack
Remediation
- Fix · GHSA-qrh7-x6fp-c2mp Django (PyPI) Fixed in 1.3.6 Advisory →
- Fix · GHSA-qrh7-x6fp-c2mp Django (PyPI) Fixed in 1.4.4 Advisory →
Red Hat 4 advisories
- RHSA-2013:0670 Released 2013-03-21 · Red Hat rating ModerateDjango security update
- OpenStack Folsom Django14-1.4.4-1.el6ost, Django14-doc-1.4.4-1.el6ost
- RHSA-2013:0658 Released 2013-03-21 · Red Hat rating Moderateopenstack-cinder security and enhancement update
- OpenStack Folsom openstack-cinder-2012.2.3-4.el6ost, openstack-cinder-doc-2012.2.3-4.el6ost, python-cinder-2012.2.3-4.el6ost
- RHSA-2013:0657 Released 2013-03-21 · Red Hat rating Moderateopenstack-nova security, bug fix, and enhancement update
- OpenStack Folsom openstack-nova-2012.2.3-4.el6ost, openstack-nova-api-2012.2.3-4.el6ost, openstack-nova-cert-2012.2.3-4.el6ost +9
Show 1 more Red Hat advisories
- RHSA-2013:0596 Released 2013-03-05 · Red Hat rating Moderateopenstack-keystone security, bug fix, and enhancement update
- OpenStack Folsom openstack-keystone-2012.2.3-3.el6ost, openstack-keystone-doc-2012.2.3-3.el6ost, python-keystone-2012.2.3-3.el6ost
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| OpenStack Folsom | Fixed | RHSA-2013:0596, RHSA-2013:0657, RHSA-2013:0658, RHSA-2013:0670 |
Timeline
- 2026-10-02 Threatist record created from CVE-2013-1664
- 2026-10-03 Alias added: GHSA-qrh7-x6fp-c2mp
References
Advisory 6
Other 7
- [oss-security] 20130219 REJECT CVE-2013-0278, CVE-2013-0279 and CVE-2013-0280
- [oss-security] 20130219 [OSSA 2013-004] Information leak and Denial of Service using XML entities (CVE-2013-1664, CVE-2013-1665)
- http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html
- http://bugs.python.org/issue17239
- https://github.com/django/django/commit/1c60d07ba23e0350351c278ad28d0bd5aa410b40
- https://github.com/django/django/commit/d19a27066b2247102e65412aa66917aff0091112
- https://github.com/django/django
Sources
- CVE-2013-1664 · CVE Program
- CVE-2013-1664 · NVD
- FIRST EPSS
- GHSA-qrh7-x6fp-c2mp · GitHub Advisory Database · CC BY 4.0
- CVE-2013-1664 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences