containerd OCI image importer memory exhaustion
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 fixed, 3 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-770.
Summary
containerd is an open source container runtime. Before versions 1.6.18 and 1.5.18, when importing an OCI image, there was no limit on the number of bytes read for certain files. A maliciously crafted image with a large file where a limit was not applied could cause a denial of service. This bug has been fixed in containerd 1.6.18 and 1.5.18. Users should update to these versions to resolve the issue. As a workaround, ensure that only trusted images are used and that only trusted users have permissions to import images.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| backstage | containerd | before 1.5.18; 1.6.0 to before 1.6.18 | 1.5.18, 1.6.18 | Patch available | CNA |
| — | github.com/containerd/containerd (Go) | before 1.5.18 | 1.5.18 | Patch available | GHSA-259w-8hf6-59c2 |
| — | github.com/containerd/containerd (Go) | 1.6.0 to before 1.6.18 | 1.6.18 | Patch available | GHSA-259w-8hf6-59c2 |
- containerd Vendorbackstage Affected before 1.5.18; 1.6.0 to before 1.6.18 Fixed in 1.5.18, 1.6.18 Patch available CNA
- github.com/containerd/containerd (Go) Vendor— Affected before 1.5.18 Fixed in 1.5.18 Patch available GHSA-259w-8hf6-59c2
- github.com/containerd/containerd (Go) Vendor— Affected 1.6.0 to before 1.6.18 Fixed in 1.6.18 Patch available GHSA-259w-8hf6-59c2
Remediation
- Fix · CNA containerd (containerd) Fixed in 1.5.18, 1.6.18
- Fix · GHSA-259w-8hf6-59c2 github.com/containerd/containerd (Go) Fixed in 1.5.18 Advisory →
- Fix · GHSA-259w-8hf6-59c2 github.com/containerd/containerd (Go) Fixed in 1.6.18 Advisory →
Red Hat 4 advisories
- RHSA-2026:83548 Released 2026-10-15 · Red Hat rating ImportantRed Hat Ceph Storage
- Red Hat Ceph Storage 7.1 registry.redhat.io/rhceph/grafana-rhel9, registry.redhat.io/rhceph/rhceph-7-rhel9
- RHSA-2026:62115 Released 2026-09-01 · Red Hat rating ImportantRed Hat Ceph Storage
- Red Hat Ceph Storage 8.1 registry.redhat.io/rhceph/grafana-rhel9, registry.redhat.io/rhceph/rhceph-8-rhel9
- RHSA-2026:1536 Released 2026-01-29 · Red Hat rating ModerateRed Hat Ceph Storage 9.0 Security and Enhancement update
- Red Hat Ceph Storage 9.0 Tools ceph-2:20.1.0-144.el10cp, ceph-2:20.1.0-144.el9cp, ceph-base-2:20.1.0-144.el10cp +47
Show 1 more Red Hat advisories
- RHSA-2023:6817 Released 2023-11-08 · Red Hat rating ImportantOpenShift Virtualization 4.14.0 Images security and bug fix update
- CNV 4.14 for RHEL 9 container-native-virtualization/bridge-marker-rhel9, container-native-virtualization/cluster-network-addons-operator-rhel9, container-native-virtualization/cnv-containernetworking-plugins-rhel9 +37
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Ceph Storage 6 | Affected | No fix yet |
| Red Hat Ceph Storage 7 | Affected | No fix yet |
| Red Hat Ceph Storage 8 | Affected | No fix yet |
| CNV 4.14 for RHEL 9 | Fixed | RHSA-2023:6817 |
| Red Hat Ceph Storage 7.1 | Fixed | RHSA-2026:83548 |
| Red Hat Ceph Storage 8.1 | Fixed | RHSA-2026:62115 |
| Red Hat Ceph Storage 9.0 Tools | Fixed | RHSA-2026:1536 |
Not affected: 4 products
- CNV 4.14 for RHEL 9
- Red Hat Ceph Storage 7.1
- Red Hat Ceph Storage 8.1
- Red Hat Ceph Storage 9.0 Tools
Timeline
- 2026-10-02 Threatist record created from CVE-2023-25153
- 2026-10-03 Alias added: GHSA-259w-8hf6-59c2
- 2026-10-16 Fix available: RHSA-2026:83548 · Red Hat
- 2026-10-16 Fix available: Red Hat Ceph Storage 7.1 · Red Hat
References
Advisory 2
More backstage Containerd vulnerabilities
- TI-2021-19622 Improper Preservation of Permissions in containerd CVSS 3.1CRITICAL 9.1
- TI-2023-10635 containerd supplementary groups are not set up properly CVSS 3.1HIGH 7.8
- TI-2022-07700 Insecure handling of image volumes in containerd CRI plugin CVSS 3.1HIGH 7.5
- TI-2026-38567 Improper input validation in backstage containerd CVSS 4.0CRITICAL 9.4
- TI-2026-38569 containerd CRI checkpoint restore CDI annotation smuggling CVSS 4.0HIGH 8.4
- TI-2025-29820 Containerd vulnerable to host filesystem access during image unpack CVSS 4.0HIGH 7.6
Sources
- CVE-2023-25153 · CVE Program
- CVE-2023-25153 · NVD
- FIRST EPSS
- GHSA-259w-8hf6-59c2 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-25153 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences