{"id":"CVE-2026-115638","title":"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.","summary":"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.","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","cvssSource":"cna","cwe":["CWE-409"],"vendor":"OpenStack","product":"Ironic","affected":["Ironic >= 30.0.0 <= 32.1.1","Ironic >= 33.0.0 <= 35.1.1","Ironic >= 36.0.0 <= 39.0.1"],"published":"2026-10-23","updated":"2026-10-23","sourceUpdated":"2026-10-23T03:21:17.303Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115638","references":[{"url":"https://bugs.launchpad.net/ironic/+bug/2171814"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T04:15:07.559Z","slug":"CVE-2026-115638","body":"## Overview\n\nOpenStack 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.\n\n## Affected\n\n- `Ironic >= 30.0.0 <= 32.1.1`\n- `Ironic >= 33.0.0 <= 35.1.1`\n- `Ironic >= 36.0.0 <= 39.0.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}