CVE-2026-115638
Received Received - Intake

OpenStack Ironic Gzip Bomb Denial of Service

Vulnerability report for CVE-2026-115638, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-23

Last updated on: 2026-10-23

Assigner: MITRE

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.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-23
Last Modified
2026-10-23
Generated
2026-10-23
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
OpenStack Ironic 30.0.0
OpenStack Ironic 33.0.0
OpenStack Ironic 36.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-409 The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.

Attack-Flow Graph

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EPSS Chart