{"id":"CVE-2013-1664","aliases":["GHSA-qrh7-x6fp-c2mp","PYSEC-2026-801"],"url":"https://o3.security/vulnerability/CVE-2013-1664","summary":"XML Entity Expansion (XEE) in Django","details":"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.","published":"2013-04-03T00:55:02Z","modified":"2026-07-07T11:56:25.238206568Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"1.3.6"},{"ecosystem":"PyPI","name":"django","fixedVersion":"1.4.4"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://lists.openstack.org/pipermail/openstack-announce/2013-February/000078.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-0657.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-0658.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-0670.html"},{"type":"ARTICLE","url":"http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html"},{"type":"EVIDENCE","url":"https://bugs.launchpad.net/nova/+bug/1100282"},{"type":"WEB","url":"http://bugs.python.org/issue17239"},{"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-07T11:56:25.238206568Z"}}