{"cve":"CVE-2013-4469","nvd":{"published":"2013-11-02T18:55:03.237","modified":"2026-06-16T23:57:16.960","status":"Modified","description":"OpenStack Compute (Nova) Folsom, Grizzly, and Havana, when use_cow_images is set to False, does not verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) by transferring an image with a large virtual size that does not contain a large amount of data from Glance.  NOTE: this issue is due to an incomplete fix for CVE-2013-2096.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://www.openwall.com/lists/oss-security/2013/10/31/3","http://www.ubuntu.com/usn/USN-2247-1","https://bugs.launchpad.net/nova/+bug/1206081","http://www.openwall.com/lists/oss-security/2013/10/31/3","http://www.ubuntu.com/usn/USN-2247-1"],"products":["openstack:folsom","openstack:grizzly","openstack:havana"],"source":"nvd","synced_at":"2026-10-19T20:30:15.895642412+00:00"},"epss":{"cve":"CVE-2013-4469","score":0.00442,"percentile":0.38415,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2w87-5qcj-j6gx","url":"https://osv.dev/vulnerability/GHSA-2w87-5qcj-j6gx","summary":"OpenStack Compute (Nova) Denial of service due to improper validation of virtual size of QCOW2 image","modified":"2026-07-07T11:56:41.512561472Z","packages":[{"ecosystem":"PyPI","name":"nova","purl":"pkg:pypi/nova","ranges":["<12.0.0a0"],"fixed":["12.0.0a0"]}]},{"id":"PYSEC-2026-860","url":"https://osv.dev/vulnerability/PYSEC-2026-860","summary":"OpenStack Compute (Nova) Denial of service due to improper validation of virtual size of QCOW2 image","modified":"2026-07-07T11:45:19.119475438Z","packages":[{"ecosystem":"PyPI","name":"nova","purl":"pkg:pypi/nova","ranges":["<12.0.0a0"],"fixed":["12.0.0a0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}