| Name | CVE-2026-115638 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1152544 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ironic (PTS) | bookworm | 1:21.4.4-0+deb12u1 | vulnerable |
| bookworm (security) | 1:21.4.4-0+deb12u2 | vulnerable |
| trixie (security), trixie | 1:29.0.5-0+deb13u3 | vulnerable |
| forky, sid | 1:39.0.0-7 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ironic | source | (unstable) | 1:39.0.0-7 | | | 1152544 |
Notes
[trixie] - ironic <no-dsa> (Minor issue)
https://bugs.launchpad.net/ironic/+bug/2171814
https://security.openstack.org/ossa/OSSA-2026-049.html