{"id":"CVE-2026-44919","aliases":["GHSA-4g73-w726-53h3","PYSEC-2026-2524"],"title":"OpenStack Ironic: Pre-Validation Checksum Calculation allows Denial of Service (DoS) via Infinite Block Devices","summary":"OpenStack Ironic: Pre-Validation Checksum Calculation allows Denial of Service (DoS) via Infinite Block Devices","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","vendor":"ironic","product":"ironic","ecosystem":"pip","affected":["ironic <= 36.0.0"],"published":"2026-05-14","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:45.422121645Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-4g73-w726-53h3","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44919"},{"url":"https://bugs.launchpad.net/ironic/+bug/2150332"},{"url":"https://opendev.org/openstack/ironic"},{"url":"https://opendev.org/openstack/ironic/commit/a3f6d735ac3642ab95b49142c7305f072ae748d0"},{"url":"https://security.openstack.org/ossa/OSSA-2026-013.html"}],"tags":["osv","pip"],"epss":0.00466,"epssPercentile":0.39525,"ingestedAt":"2026-07-13T18:57:52.588Z","slug":"CVE-2026-44919","body":"## Overview\n\nIn OpenStack Ironic through 35.x before a3f6d73, during image handling, an infinite loop in checksum calculations can occur via the file:///dev/zero URL.\n\n## Affected packages\n\n- `ironic <= 36.0.0`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}