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

{
  "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"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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…

Detection rules are retrieved from Rulezet.

Loading…

Loading…