CVE-2026-44919

Infinite Loop in Checksum Calculations via /dev/zero URL in OpenStack Ironic Image Handling

Published May 14, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6341-1 ironic security update
Github GHSA Github GHSA GHSA-4g73-w726-53h3 OpenStack Ironic: Pre-Validation Checksum Calculation allows Denial of Service (DoS) via Infinite Block Devices
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Infinite Loop in Checksum Calculations via /dev/zero URL in OpenStack Ironic Image Handling
Type Values Removed Values Added
Description 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.
First Time appeared Openstack
Openstack ironic
Weaknesses CWE-696
CPEs cpe:2.3:a:openstack:ironic:*:*:*:*:*:*:*:*
Vendors & Products Openstack
Openstack ironic
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 21, 2026, 6:16 AM
Reserved
May 8, 2026, 12:00 AM
Status
Analyzed
Published
May 14, 2026, 2:17 AM
Modified
Oct 26, 2026, 2:10 PM