Description
OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of uncompressed data, aka a gzip bomb.
Published: 2026-10-23
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories

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History

Mon, 26 Oct 2026 19:30:00 +0100

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 23 Oct 2026 08:00:00 +0200

Type Values Removed Values Added
Title Denial of Service via Configdrive Gzip Bomb in OpenStack Ironic ≤ 39.0.1

Fri, 23 Oct 2026 05:45:00 +0200

Type Values Removed Values Added
Description OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of uncompressed data, aka a gzip bomb.
First Time appeared Openstack
Openstack ironic
Weaknesses CWE-409
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'}


Subscriptions

Openstack Ironic
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-26T17:57:34.658Z

Reserved: 2026-10-23T03:21:16.440Z

Link: CVE-2026-115638

cve-icon Vulnrichment

Updated: 2026-10-26T17:50:29.103Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-23T04:18:16.180

Modified: 2026-10-26T18:17:37.363

Link: CVE-2026-115638

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T08:00:12Z

Weaknesses
  • CWE-409

    Improper Handling of Highly Compressed Data (Data Amplification)