PYSEC-2026-879
Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-06 08:03
VLAI
Details
Algorithmic complexity vulnerability in OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-3 does not properly handle network source security group policy updates, which allows remote authenticated users to cause a denial of service (nova-network consumption) via a large number of server-creation operations, which triggers a large number of update requests.
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-2013-4185",
"GHSA-ph2h-hh49-vh27"
],
"details": "Algorithmic complexity vulnerability in OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-3 does not properly handle network source security group policy updates, which allows remote authenticated users to cause a denial of service (nova-network consumption) via a large number of server-creation operations, which triggers a large number of update requests.",
"id": "PYSEC-2026-879",
"modified": "2026-07-06T08:03:23.117396Z",
"published": "2026-07-06T08:03:23.117396Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4185"
},
{
"type": "WEB",
"url": "https://bugs.launchpad.net/nova/+bug/1184041"
},
{
"type": "PACKAGE",
"url": "https://github.com/openstack/nova"
},
{
"type": "WEB",
"url": "http://github.com/openstack/nova/commit/52ad911963da4095b213952dee3a430fe0c4c30f"
},
{
"type": "WEB",
"url": "http://github.com/openstack/nova/commit/85aac04704350566d6b06aa7a3b99649946c672c"
},
{
"type": "WEB",
"url": "http://github.com/openstack/nova/commit/d4ee081c5c0a5132781235177c430ebcf72b0b0b"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2013-1199.html"
},
{
"type": "WEB",
"url": "http://seclists.org/oss-sec/2013/q3/282"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/nova"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-ph2h-hh49-vh27"
}
],
"summary": "OpenStack Nova Denial of Service in network source security groups"
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- 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.
Loading…
Loading…