{"id":"CVE-2021-21285","aliases":["GHSA-6fj5-m822-rqx8"],"url":"https://o3.security/vulnerability/CVE-2021-21285","summary":"moby docker daemon crash during image pull of malicious image","details":"### Impact\n\nPulling an intentionally malformed Docker image manifest crashes the `dockerd` daemon.\n\n### Patches\n\nVersions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing.\n\n### Credits\n\nMaintainers would like to thank Josh Larsen, Ian Coldwater, Duffie Cooley, Rory McCune for working on the vulnerability and Brad Geesaman for responsibly disclosing it to security@docker.com.","published":"2021-02-02T18:15:12.203Z","modified":"2026-08-27T03:49:31.417030400Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/moby/moby","fixedVersion":"19.3.15"},{"ecosystem":"Go","name":"github.com/moby/moby","fixedVersion":"20.10.3"}],"fix":{"url":"https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30","label":"moby/moby@8d31795"},"references":[{"type":"ADVISORY","url":"https://docs.docker.com/engine/release-notes/#20103"},{"type":"ADVISORY","url":"https://github.com/moby/moby/releases/tag/v19.03.15"},{"type":"ADVISORY","url":"https://github.com/moby/moby/releases/tag/v20.10.3"},{"type":"ADVISORY","url":"https://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210226-0005/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4865"},{"type":"FIX","url":"https://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30"},{"type":"FIX","url":"https://security.gentoo.org/glsa/202107-23"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21285"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210226-0005"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T03:49:31.417030400Z"}}