{"id":"CVE-2026-44919","aliases":["GHSA-4g73-w726-53h3","PYSEC-2026-2524"],"url":"https://o3.security/vulnerability/CVE-2026-44919","summary":"OpenStack Ironic: Pre-Validation Checksum Calculation allows Denial of Service (DoS) via Infinite Block Devices","details":"In OpenStack Ironic through 35.x before a3f6d73, during image handling, an infinite loop in checksum calculations can occur via the file:///dev/zero URL.","published":"2026-05-14T00:00:00Z","modified":"2026-08-12T03:51:37.218335051Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.00466,"percentile":0.37981,"asOf":"2026-08-10"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"ironic","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://bugs.launchpad.net/ironic/+bug/2150332"},{"type":"WEB","url":"https://opendev.org/openstack/ironic"},{"type":"WEB","url":"https://opendev.org/openstack/ironic/commit/a3f6d735ac3642ab95b49142c7305f072ae748d0"},{"type":"WEB","url":"https://security.openstack.org/ossa/OSSA-2026-013.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44919.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44919"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:37.218335051Z"}}