Description
Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the argument `x-amz-copy-source` to put an object and specifying an empty string as its content leads to the RGW daemon crashing, resulting in a DoS attack. As of time of publication, no known patched versions exist.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ceph | ceph | <= 19.2.3 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ceph | 18.2.7+ds-1.1 | — |
| Debian 13 | ceph | 18.2.7+ds-1+deb13u1 | — |
| Debian 12 | ceph | 16.2.15+ds-0+deb12u2 | — |
| Debian 11 | ceph | 14.2.21-1+deb11u2 | DLA-4460-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | ceph | 19.2.3-0ubuntu1.25.10.3 | — |
| Ubuntu 24.04 LTS | ceph | 19.2.3-0ubuntu0.24.04.3 | — |
| Ubuntu 22.04 LTS | ceph | 17.2.9-0ubuntu0.22.04.2 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | ceph | 15.2.17-0ubuntu0.20.04.6+esm1 | — |
| Ubuntu Pro 18.04 LTS | ceph | 12.2.13-0ubuntu0.18.04.11+esm2 | — |
| Ubuntu Pro 16.04 LTS | ceph | 10.2.11-0ubuntu0.16.04.3+esm3 | — |
| Ubuntu Pro 14.04 LTS | ceph | 0.80.11-0ubuntu1.14.04.4+esm4 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Ceph Storage 8 | ceph +27 | 2:19.2.1-292.el9cp | RHSA-2025:21068 |
| Red Hat Ceph Storage 7 | ceph +25 | 2:18.2.1-381.el8cp | RHSA-2026:2769 |
| Red Hat Ceph Storage 7 | cephadm | 2:18.2.1-381.el9cp | RHSA-2026:2769 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ceph19 | 19.2.4-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | ceph | 18.2.2-12 | — |
| Azure Linux 2 (CBL-Mariner) | ceph | 16.2.10-11 | — |
Advisories 4
- RHSA-2026:2769 Red Hat Security Advisory: Red Hat Ceph Storage 7.1 security and bug fix updates Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2025:21068 Red Hat Security Advisory: Red Hat Ceph Storage 8.1 bug fix update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- WID-SEC-2025-2584 Red Hat Enterprise Linux Ceph Storage: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 1, 2026
- DLA-4460-1 ceph - security update Debian Security (DSA / DLA) · Feb 1, 2026