ceph: ListBucket max-keys has no defined limit in the RGW codebase
Published Jan 15, 2019
6.5
MEDIUMCVSS 3.1
EPSS 2.14%
Description
It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.
Affected products
- Vendor n/a Product Ceph Defaultn/a
- Version 13.2.4StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Ceph | n/a |
|
Configuration 2
- 8.0
- 9.0
Configuration 4
- 2.0
- 3.0
- 7.0
Configuration 5
- 16.04
- 18.10
- 19.04
No data.
Red Hat Ceph Storage 3 for Ubuntu
ceph
Fixed · RHSA-2019:2541
Red Hat Ceph Storage 3.3
ceph-2:12.2.12-45.el7cp
Fixed · RHSA-2019:2538
Red Hat Ceph Storage 3.3
ceph-ansible-0:3.2.24-1.el7cp
Fixed · RHSA-2019:2538
Red Hat Ceph Storage 3.3
ceph-iscsi-config-0:2.6-19.el7cp
Fixed · RHSA-2019:2538
Red Hat Ceph Storage 3.3
cephmetrics-0:2.0.6-1.el7cp
Fixed · RHSA-2019:2538
Red Hat Ceph Storage 3.3
libntirpc-0:1.7.4-1.el7cp
Fixed · RHSA-2019:2538
Red Hat Ceph Storage 3.3
nfs-ganesha-0:2.7.4-10.el7cp
Fixed · RHSA-2019:2538
Red Hat Ceph Storage 3.3
python-crypto-0:2.6.1-16.el7ost
Fixed · RHSA-2019:2538
Red Hat Ceph Storage 2
ceph
Will not fix
Red Hat Enterprise Linux 7
ceph-common
Not affected
Red Hat Enterprise Linux 8
ceph
Not affected
Red Hat Virtualization 4
redhat-virtualization-host
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Ceph Storage 3 for Ubuntu | ceph | Fixed | RHSA-2019:2541 |
| Red Hat Ceph Storage 3.3 | ceph-2:12.2.12-45.el7cp | Fixed | RHSA-2019:2538 |
| Red Hat Ceph Storage 3.3 | ceph-ansible-0:3.2.24-1.el7cp | Fixed | RHSA-2019:2538 |
| Red Hat Ceph Storage 3.3 | ceph-iscsi-config-0:2.6-19.el7cp | Fixed | RHSA-2019:2538 |
| Red Hat Ceph Storage 3.3 | cephmetrics-0:2.0.6-1.el7cp | Fixed | RHSA-2019:2538 |
| Red Hat Ceph Storage 3.3 | libntirpc-0:1.7.4-1.el7cp | Fixed | RHSA-2019:2538 |
| Red Hat Ceph Storage 3.3 | nfs-ganesha-0:2.7.4-10.el7cp | Fixed | RHSA-2019:2538 |
| Red Hat Ceph Storage 3.3 | python-crypto-0:2.6.1-16.el7ost | Fixed | RHSA-2019:2538 |
| Red Hat Ceph Storage 2 | ceph | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | ceph-common | Not affected | n/a |
| Red Hat Enterprise Linux 8 | ceph | Not affected | n/a |
| Red Hat Virtualization 4 | redhat-virtualization-host | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.14% (0.02136) | 81.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.14% (0.02136) | 79.56th | v5 (v2026.06.15) |
| Nov 21, 2025 | 4.77% (0.04774) | 88.98th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.81% (0.02813) | 84.85th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.44% (0.04441) | 88.00th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.80% (0.06796) | 85.14th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.44% (0.04441) | 88.30th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.34% (0.00337) | 72.17th | v3 (v2023.03.01) |
| Jun 7, 2024 | 0.43% (0.00430) | 74.48th | v3 (v2023.03.01) |
| Apr 9, 2024 | 0.60% (0.00600) | 78.09th | v3 (v2023.03.01) |
| Jan 9, 2024 | 0.60% (0.00600) | 76.08th | v3 (v2023.03.01) |
| Dec 25, 2023 | 0.66% (0.00659) | 77.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.55% (0.00551) | 74.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.31% (0.02314) | 53.75th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.06% (0.02061) | 0.00th | v1 |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2538 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2541 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-16846 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1644461 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16846 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://ceph.com/releases/13-2-4-mimic-released/ x_refsource_MISCVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00002.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-16846
- https://usn.ubuntu.com/4035-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-16846
Change history (0)
No recorded changes yet.