{"id":"GHSA-77vh-xpmg-72qh","aliases":[],"url":"https://o3.security/vulnerability/GHSA-77vh-xpmg-72qh","summary":"Clarify `mediaType` handling","details":"### Impact\nIn the OCI Image Specification version 1.0.1 and prior, manifest and index documents are not self-describing and documents with a single digest could be interpreted as either a manifest or an index.\n\n### Patches\nThe Image Specification will be updated to recommend that both manifest and index documents contain a `mediaType` field to identify the type of document.\nRelease [v1.0.2](https://github.com/opencontainers/image-spec/releases/tag/v1.0.2) includes these updates.\n\n### Workarounds\nSoftware attempting to deserialize an ambiguous document may reject the document if it contains both “manifests” and “layers” fields or “manifests” and “config” fields.\n\n### References\nhttps://github.com/opencontainers/distribution-spec/security/advisories/GHSA-mc8v-mgrf-8f4m\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in https://github.com/opencontainers/image-spec\n* Email us at [security@opencontainers.org](mailto:security@opencontainers.org)\n* https://github.com/opencontainers/image-spec/commits/v1.0.2\n","published":"2021-11-18T16:02:41Z","modified":"2026-02-04T03:55:23.480831Z","cvss":{"score":3,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/opencontainers/image-spec","fixedVersion":"1.0.2"}],"fix":{"url":"https://github.com/opencontainers/image-spec/commit/693428a734f5bab1a84bd2f990d92ef1111cd60c","label":"opencontainers/image-spec@693428a"},"references":[{"type":"WEB","url":"https://github.com/opencontainers/distribution-spec/security/advisories/GHSA-mc8v-mgrf-8f4m"},{"type":"WEB","url":"https://github.com/opencontainers/image-spec/security/advisories/GHSA-77vh-xpmg-72qh"},{"type":"WEB","url":"https://github.com/opencontainers/image-spec/commit/693428a734f5bab1a84bd2f990d92ef1111cd60c"},{"type":"PACKAGE","url":"https://github.com/opencontainers/image-spec"},{"type":"WEB","url":"https://github.com/opencontainers/image-spec/releases/tag/v1.0.2"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-02-04T03:55:23.480831Z"}}