Vulnerability-Lookup

PYSEC-2026-876

Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-06 08:03

Details

OpenStack Compute (Nova) Folsom, Grizzly, and Havana 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 creating an image with a large virtual size that does not contain a large amount of data.

Severity

6.9 (Medium)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Impacted products

Name	purl
nova	pkg:pypi/nova

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "nova",
        "purl": "pkg:pypi/nova"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "12.0.0a0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2013-2096",
    "GHSA-m674-hmx2-ffhq"
  ],
  "details": "OpenStack Compute (Nova) Folsom, Grizzly, and Havana 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 creating an image with a large virtual size that does not contain a large amount of data.",
  "id": "PYSEC-2026-876",
  "modified": "2026-07-06T08:03:26.645846Z",
  "published": "2026-07-06T08:03:26.645846Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-2096"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/nova/commit/0caeb8eaf20abcdc77828f5c6b79fc104619e231"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/nova/commit/44a8aba1d5da87d54db48079103fdef946666d80"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openstack/nova"
    },
    {
      "type": "WEB",
      "url": "https://review.openstack.org/#/c/28717"
    },
    {
      "type": "WEB",
      "url": "https://review.openstack.org/#/c/28901"
    },
    {
      "type": "WEB",
      "url": "https://review.openstack.org/#/c/29192"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20130726040108/http://www.securityfocus.com/bid/59924"
    },
    {
      "type": "WEB",
      "url": "http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-1831-1"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/nova"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-m674-hmx2-ffhq"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image"
}

CVE-2013-2096 (GCVE-0-2013-2096)

Vulnerability from cvelistv5 – Published: 2013-07-09 17:00 – Updated: 2024-08-06 15:27

Summary

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

6 references

URL	Tags
https://review.openstack.org/#/c/28717/	x_refsource_CONFIRM
https://review.openstack.org/#/c/28901/	x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1831-1	vendor-advisoryx_refsource_UBUNTU
http://lists.openstack.org/pipermail/openstack-an…	mailing-listx_refsource_MLIST
https://review.openstack.org/#/c/29192/	x_refsource_CONFIRM
http://www.securityfocus.com/bid/59924	vdb-entryx_refsource_BID

Date Public

2013-05-16 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T15:27:40.933Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://review.openstack.org/#/c/28717/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://review.openstack.org/#/c/28901/"
          },
          {
            "name": "USN-1831-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-1831-1"
          },
          {
            "name": "[openstack-announce] 20130516 [OSSA 2013-012] Nova fails to verify image virtual size (CVE-2013-2096)",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://review.openstack.org/#/c/29192/"
          },
          {
            "name": "59924",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/59924"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2013-05-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "OpenStack Compute (Nova) Folsom, Grizzly, and Havana 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 creating an image with a large virtual size that does not contain a large amount of data."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2014-01-03T22:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://review.openstack.org/#/c/28717/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://review.openstack.org/#/c/28901/"
        },
        {
          "name": "USN-1831-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-1831-1"
        },
        {
          "name": "[openstack-announce] 20130516 [OSSA 2013-012] Nova fails to verify image virtual size (CVE-2013-2096)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://review.openstack.org/#/c/29192/"
        },
        {
          "name": "59924",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/59924"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2013-2096",
    "datePublished": "2013-07-09T17:00:00.000Z",
    "dateReserved": "2013-02-19T00:00:00.000Z",
    "dateUpdated": "2024-08-06T15:27:40.933Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-M674-HMX2-FFHQ

Vulnerability from github – Published: 2022-05-17 04:55 – Updated: 2025-04-12 03:16

Summary

OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image

Details

Severity

6.9 (Medium)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "nova"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "12.0.0a0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2013-2096"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-12T03:16:18Z",
    "nvd_published_at": "2013-07-09T17:55:00Z",
    "severity": "MODERATE"
  },
  "details": "OpenStack Compute (Nova) Folsom, Grizzly, and Havana 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 creating an image with a large virtual size that does not contain a large amount of data.",
  "id": "GHSA-m674-hmx2-ffhq",
  "modified": "2025-04-12T03:16:19Z",
  "published": "2022-05-17T04:55:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-2096"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/nova/commit/0caeb8eaf20abcdc77828f5c6b79fc104619e231"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openstack/nova/commit/44a8aba1d5da87d54db48079103fdef946666d80"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openstack/nova"
    },
    {
      "type": "WEB",
      "url": "https://review.openstack.org/#/c/28717"
    },
    {
      "type": "WEB",
      "url": "https://review.openstack.org/#/c/28901"
    },
    {
      "type": "WEB",
      "url": "https://review.openstack.org/#/c/29192"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20130726040108/http://www.securityfocus.com/bid/59924"
    },
    {
      "type": "WEB",
      "url": "http://lists.openstack.org/pipermail/openstack-announce/2013-May/000102.html"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-1831-1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

PYSEC-2026-876

CVE-2013-2096 (GCVE-0-2013-2096)

GHSA-M674-HMX2-FFHQ

Tags

Sightings

Nomenclature

Related by attack behaviour