CVE-2026-115638

State: Published
Severity: 4.3 Medium
Published: Oct 23, 2026
Updated: Oct 29, 2026
Reserved: Oct 23, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	mitre

Weaknesses

CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)

Affected Products

Product	Versions
IronicOpenStack	30.0.0 through 32.1.1Affected 33.0.0 through 35.1.1Affected 36.0.0 through 39.0.1Affected

References

https://bugs.launchpad.net/ironic/+bug/2171814
http://www.openwall.com/lists/oss-security/2026/10/29/1

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.