{"id":"CVE-2013-6437","aliases":["GHSA-hrv9-4x4c-9jc8","PYSEC-2026-874"],"url":"https://o3.security/vulnerability/CVE-2013-6437","summary":"OpenStack Nova DoS through ephemeral disk backing files","details":"The libvirt driver in OpenStack Compute (Nova) before 2013.2.2 and icehouse before icehouse-2 allows remote authenticated users to cause a denial of service (disk consumption) by creating and deleting instances with unique os_type settings, which triggers the creation of a new ephemeral disk backing file.","published":"2014-03-06T15:55:28Z","modified":"2026-07-07T11:56:30.509120643Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"nova","fixedVersion":"12.0.0a0"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2014-0231.html"},{"type":"ADVISORY","url":"https://bugs.launchpad.net/nova/+bug/1253980"},{"type":"FIX","url":"http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-07T11:56:30.509120643Z"}}