PYSEC-2026-865
Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-06 08:03
VLAI
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.
Impacted products
| Name | purl | nova | pkg:pypi/nova |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "nova",
"purl": "pkg:pypi/nova"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "12.0.0a0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2013-4463",
"GHSA-5644-2v3h-5w4x"
],
"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.",
"id": "PYSEC-2026-865",
"modified": "2026-07-06T08:03:25.984717Z",
"published": "2026-07-06T08:03:25.984717Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4463"
},
{
"type": "WEB",
"url": "https://bugs.launchpad.net/nova/+bug/1206081"
},
{
"type": "PACKAGE",
"url": "https://github.com/openstack/nova"
},
{
"type": "WEB",
"url": "http://github.com/openstack/nova/commit/3cdfe894ab58f7b91bf7fb690fc5bc724e44066f"
},
{
"type": "WEB",
"url": "http://github.com/openstack/nova/commit/f6810be4ae1a6c93e7d8017ee67d5344dfdf4a30"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2014-0112.html"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2013/10/31/3"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-2247-1"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/nova"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-5644-2v3h-5w4x"
}
],
"summary": "OpenStack Nova denial of service through compressed disk images"
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
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- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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