{"id":"CVE-2013-4463","aliases":["GHSA-5644-2v3h-5w4x","PYSEC-2026-865"],"url":"https://o3.security/vulnerability/CVE-2013-4463","summary":"OpenStack Nova denial of service through compressed disk images","details":"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.","published":"2014-02-06T05:44:24Z","modified":"2026-07-07T11:56:39.619930961Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"nova","fixedVersion":"12.0.0a0"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2014-0112.html"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2247-1"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2013/10/31/3"},{"type":"WEB","url":"https://bugs.launchpad.net/nova/+bug/1206081"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-07T11:56:39.619930961Z"}}