🛡️ CVE-2023-25153 — containerd

🟡 CVSS 6.2 — Medium ✅ No Known Exploit CWE-770 NVD
6.2
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

OCI image importer memory exhaustion in github.com/containerd/containerd

Impact

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.

Patches

This bug has been fixed in containerd 1.6.18 and 1.5.18. Users should update to these versions to resolve the issue.

Workarounds

Ensure that only trusted images are used and that only trusted users have permissions to import images.

Credits

The containerd project would like to thank [David Korczynski](https://github.com/DavidKorczynski) and [Adam Korczynski](https://github.com/AdamKorcz) of ADA Logics for responsibly disclosing this issue in accordance with the [containerd security policy](https://github.com/containerd/project/blob/main/SECURITY.md) during a security fuzzing audit sponsored by CNCF.

For more information

If you have any questions or comments about this advisory:

  • Open an issue in [containerd](https://github.com/containerd/containerd/issues/new/choose)
  • Email us at [security@containerd.io](mailto:security@containerd.io)

To report a security issue in containerd:

  • [Report a new vulnerability](https://github.com/containerd/containerd/security/advisories/new)
  • Email us at [security@containerd.io](mailto:security@containerd.io)

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2023-25153 is classified as CWE-770: Allocation of Resources Without Limits. Resources are allocated on request with no cap, so a client can exhaust them.

Affected software

CVE-2023-25153 is recorded against 2 packages.

  • containerd (from 1.6.0 up to 1.6.18)
  • github.com/containerd/containerd

Timeline and source

Published on 16 February 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
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CVE-2023-25153 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 6.2
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-770
Public Exploit ✅ No
Source NVD
Published 2023-02-16
Updated 2026-08-12
Modified 2026-06-17

Affected Packages

Software From version Fixed in
containerd 1.6.0 1.6.18
github.com/containerd/containerd — —

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