Vulnerabilities affecting this package (0)
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This package is not known to be affected by vulnerabilities.
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Vulnerabilities fixed by this package (1)
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VCID-e4bk-d465-juhk
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Clarify Content-Type handling
### Impact
In the OCI Distribution Specification version 1.0.0 and prior, the Content-Type header alone was used to determine the type of document during push and pull operations. Documents that contain both “manifests” and “layers” fields could be interpreted as either a manifest or an index in the absence of an accompanying Content-Type header. If a Content-Type header changed between two pulls of the same digest, a client may interpret the resulting content differently.
### Patches
The OCI Distribution Specification will be updated to require that a `mediaType` value present in a manifest or index match the Content-Type header used during the push and pull operations.
### Workarounds
Clients pulling from a registry may distrust the Content-Type header and reject an ambiguous document that contains both “manifests” and “layers” fields or “manifests” and “config” fields.
### References
https://github.com/opencontainers/image-spec/security/advisories/GHSA-77vh-xpmg-72qh
### For more information
If you have any questions or comments about this advisory:
* Open an issue in https://github.com/opencontainers/distribution-spec/
* Email us at security@opencontainers.org
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CVE-2021-41190
GHSA-mc8v-mgrf-8f4m
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