UBUNTU-CVE-2026-115638

Source
https://ubuntu.com/security/CVE-2026-115638
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115638.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-115638
Upstream
  • CVE-2026-115638
Published
2026-10-23T04:18:00Z
Modified
2026-10-28T17:50:38Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:16.04:LTS / openstack

Package

Name
openstack
Purl
pkg:deb/ubuntu/openstack?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.99.23
0.99.27
1.*
1.0.4
1.0.5
1.0.6
1.0.7.16.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "openstack",
            "binary_version": "1.0.7.16.04.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115638.json"