{"action":"Upgrade nova to 12.0.0a0 or later.","affected":[{"fixed":"12.0.0a0","introduced":"0"}],"component":"nova","cve_ids":["CVE-2013-6437"],"ecosystem":"PyPI","epss":0.02037,"exploited":false,"fixed_versions":["12.0.0a0"],"ghsa_id":"GHSA-hrv9-4x4c-9jc8","id":"tcs_01M5KHE38MBA4Z31XB04XCF72S","modified_at":"2026-07-07T11:45:48.490317453Z","published_at":"2026-07-06T08:03:22.569278Z","references":["https://osv.dev/vulnerability/PYSEC-2026-874","https://nvd.nist.gov/vuln/detail/CVE-2013-6437","https://github.com/openstack/nova/commit/3e451f1bac57d24e47171cffb3ad59bb1610d836","https://github.com/openstack/nova/commit/6e455cd97f04bf26bbe022be17c57e089cf502f4","https://github.com/openstack/nova/commit/ca38774ebcf5b67d16c202c8f218c0c433973ca9","https://bugs.launchpad.net/nova/+bug/1253980","https://github.com/openstack/nova","http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html","http://rhn.redhat.com/errata/RHSA-2014-0231.html","https://pypi.org/project/nova","https://github.com/advisories/GHSA-hrv9-4x4c-9jc8"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2026-874","url":"https://osv.dev/vulnerability/PYSEC-2026-874"}],"summary":"OpenStack Nova DoS through ephemeral disk backing files"}