{"id":"CVE-2013-4463","aliases":["DEBIAN-CVE-2013-4463","EUVD-2022-2506","GHSA-5644-2v3h-5w4x","PYSEC-2026-865","RHSA-2014:0112","UBUNTU-CVE-2013-4463","USN-2247-1"],"status":"published","title":"OpenStack Nova denial of service through compressed disk images","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00372,"percentile":0.3134,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2014-02-06T00:00:00Z","modified":"2026-09-01T20:03:18Z","fixes":[{"ecosystem":"PyPI","package":"nova","fixed_in":["12.0.0a0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"nova","fixed_in":["2013.2-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"nova","fixed_in":["2013.2-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"nova","fixed_in":["2013.2-3"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.0a0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2013.2-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2013.2-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2013.2-3"}]}]},{"source":"osv","ecosystem":"PyPI","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.0a0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"12.0.0a0"}]}]},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-api","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-cells","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-cert","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-compute","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-conductor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-console","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-network","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-objectstore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"openstack-nova-scheduler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:openstack:3::el6","package":"python-nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2013.1.4-4.el6ost"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"nova","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2014.1-0ubuntu1.2"}]}],"versions":["1:2013.2~rc2-0ubuntu1","1:2013.2-0ubuntu1","1:2014.1~b1-0ubuntu1","1:2014.1~b1-0ubuntu2","1:2014.1~b2-0ubuntu3","1:2014.1~b2-0ubuntu4","1:2014.1~b3-0ubuntu1","1:2014.1~b3-0ubuntu2","1:2014.1~rc1-0ubuntu1","1:2014.1~rc2-0ubuntu1","1:2014.1-0ubuntu1"],"bundled":6}],"products":[{"vendor":"openstack","product":"folsom"},{"vendor":"openstack","product":"grizzly"},{"vendor":"openstack","product":"havana"}],"references":[{"url":"https://bugs.launchpad.net/nova/+bug/1206081","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2013/10/31/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","web","report"]},{"url":"http://www.ubuntu.com/usn/USN-2247-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2014-0112.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4463","tags":["advisory"]},{"url":"http://github.com/openstack/nova/commit/3cdfe894ab58f7b91bf7fb690fc5bc724e44066f","tags":["web"]},{"url":"http://github.com/openstack/nova/commit/f6810be4ae1a6c93e7d8017ee67d5344dfdf4a30","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5644-2v3h-5w4x","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-4463","tags":["advisory"]},{"url":"https://github.com/openstack/nova","tags":["package"]},{"url":"https://pypi.org/project/nova","tags":["package"]},{"url":"https://access.redhat.com/errata/RHSA-2014:0112","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=996766","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1014948","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1023239","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1044562","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1050213","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1059504","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0112.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-4463","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-4463","tags":["advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-6491","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-6491","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6491","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-4463","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2247-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-1068","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2013-4469","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2013-6491","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2013-7130","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-0134","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-0167","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-4463","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"published","published":"2014-02-06T02:00:00Z","modified":"2024-08-06T16:45:14.837Z","updated_at":"2026-11-02T14:34:58.193873Z"}],"euvd":[{"id":"EUVD-2022-2506","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"published","published":"2014-02-06T02:00:00Z","modified":"2024-08-06T16:45:14Z","updated_at":"2026-11-03T01:56:31.067159Z"}],"ghsa":[{"id":"GHSA-5644-2v3h-5w4x","title":"OpenStack Nova denial of service through compressed disk images","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"published","published":"2022-05-17T04:41:48Z","modified":"2024-05-14T21:13:59Z","updated_at":"2026-11-02T14:37:48.848211Z"}],"nvd":[{"id":"CVE-2013-4463","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"published","published":"2014-02-06T05:44:24.177Z","modified":"2026-06-16T23:57:16.38Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:48.062712Z"}],"osv":[{"id":"CVE-2013-4463","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"published","published":"2014-02-06T05:44:24Z","modified":"2026-07-07T11:56:39.619930961Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-4463","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"published","published":"2014-02-06T05:44:24.177Z","modified":"2026-09-01T20:03:18.220401162Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"GHSA-5644-2v3h-5w4x","title":"OpenStack Nova denial of service through compressed disk images","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"published","published":"2022-05-17T04:41:48Z","modified":"2026-07-07T11:56:39.619930961Z","updated_at":"2026-11-02T15:46:37.864461Z"},{"id":"PYSEC-2026-865","title":"OpenStack Nova denial of service through compressed disk images","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"published","published":"2026-07-06T08:03:25.984717Z","modified":"2026-07-07T11:45:21.948075697Z","updated_at":"2026-11-02T15:52:58.117212Z"},{"id":"RHSA-2014:0112","title":"Red Hat Security Advisory: openstack-nova security and bug fix update","status":"published","published":"2024-09-15T21:19:32Z","modified":"2026-08-01T10:30:07.044826234Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"UBUNTU-CVE-2013-4463","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image. NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","status":"withdrawn","published":"2014-02-06T00:00:00Z","modified":"2026-02-04T03:27:02.44731Z","updated_at":"2026-11-02T15:54:07.421078Z"},{"id":"USN-2247-1","title":"nova vulnerabilities","description":"Darragh O'Reilly discovered that the Ubuntu packaging for OpenStack Nova\ndid not properly set up its sudo configuration. If a different flaw was\nfound in OpenStack Nova, this vulnerability could be used to escalate\nprivileges. This issue only affected Ubuntu 13.10 and Ubuntu 14.04 LTS.\n(CVE-2013-1068)\n\nBernhard M. Wiedemann and Pedraig Brady discovered that OpenStack Nova did\nnot properly verify the virtual size of a QCOW2 images. A remote\nauthenticated attacker could exploit this to create a denial of service via\ndisk consumption. This issue did not affect Ubuntu 14.04 LTS.\n(CVE-2013-4463, CVE-2013-4469)\n\nJuanFra Rodriguez Cardoso discovered that OpenStack Nova did not enforce\nSSL connections when Nova was configured to use QPid and qpid_protocol is\nset to 'ssl'. If a remote attacker were able to perform a machine-in-the-middle\nattack, this flaw could be exploited to view sensitive information. Ubuntu\ndoes not use QPid with Nova by default. This issue did not affect Ubuntu\n14.04 LTS. (CVE-2013-6491)\n\nLoganathan Parthipan discovered that OpenStack Nova did not properly create\nexpected files during KVM live block migration. A remote authenticated\nattacker could exploit this to obtain root disk snapshot contents via\nephemeral storage. This issue did not affect Ubuntu 14.04 LTS.\n(CVE-2013-7130)\n\nStanislaw Pitucha discovered that OpenStack Nova did not enforce the image\nformat when rescuing an instance. A remote authenticated attacker could\nexploit this to read host files. In the default installation, attackers\nwould be isolated by the libvirt guest AppArmor profile. This issue only\naffected Ubuntu 13.10. (CVE-2014-0134)\n\nMark Heckmann discovered that OpenStack Nova did not enforce RBAC policy\nwhen adding security group rules via the EC2 API. A remote authenticated\nuser could exploit this to gain unintended access to this API. This issue\nonly affected Ubuntu 13.10. (CVE-2014-0167)\n","status":"published","published":"2014-06-17T21:50:58Z","modified":"2026-02-10T04:40:49Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}