{"id":"PYSEC-2026-2524","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.","aliases":["CVE-2026-44919","GHSA-4g73-w726-53h3"],"modified":"2026-07-20T12:45:07.409953180Z","published":"2026-07-13T15:19:05.090851Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44919"},{"type":"WEB","url":"https://bugs.launchpad.net/ironic/+bug/2150332"},{"type":"PACKAGE","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":"PACKAGE","url":"https://pypi.org/project/ironic"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-4g73-w726-53h3"}],"affected":[{"package":{"name":"ironic","ecosystem":"PyPI","purl":"pkg:pypi/ironic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"36.0.0"}]}],"versions":["0.0","10.1.10","10.1.7","10.1.8","10.1.9","11.1.1","11.1.2","11.1.3","11.1.4","12.0.0","12.1.0","12.1.1","12.1.2","12.1.3","12.1.4","12.1.5","12.1.6","12.2.0","13.0.0","13.0.1","13.0.2","13.0.3","13.0.4","13.0.5","13.0.6","13.0.7","14.0.0","15.0.0","15.0.1","15.0.2","15.1.0","15.2.0","16.0.0","16.0.1","16.0.2","16.0.3","16.0.4","16.0.5","16.1.0","16.2.0","17.0.0","17.0.1","17.0.2","17.0.3","17.0.4","17.1.0","18.0.0","18.1.0","18.2.0","18.2.1","18.2.2","18.3.0","19.0.0","20.0.0","20.1.0","20.1.1","20.1.2","20.1.3","20.2.0","21.0.0","21.1.0","21.1.1","21.1.2","21.2.0","21.3.0","21.4.0","21.4.1","21.4.2","21.4.3","21.4.4","22.0.0","22.1.0","23.0.0","23.0.1","23.0.2","23.0.3","23.0.4","23.0.5","23.1.0","24.0.0","24.1.0","24.1.1","24.1.2","24.1.3","24.1.4","24.1.5","25.0.0","26.0.0","26.1.0","26.1.1","26.1.2","26.1.3","26.1.4","26.1.5","26.1.6","27.0.0","28.0.0","29.0.0","29.0.1","29.0.2","29.0.3","29.0.4","29.0.5","29.0.6","30.0.0","31.0.0","32.0.0","32.0.1","33.0.0","34.0.0","35.0.0","35.0.1","36.0.0","9.1.6","9.1.7"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/ironic/PYSEC-2026-2524.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}