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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/containerd/containerd(Go) | 0 | 1.5.18 | N/A |
| github.com/containerd/containerd(Go) | 1.6.0 | 1.6.18 | N/A |
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