CVE-2021-21285
MEDIUM6.5EPSS 0.35%moby docker daemon crash during image pull of malicious image
Published: 1/31/2024Modified: 3/13/2026
Description
### Impact Pulling an intentionally malformed Docker image manifest crashes the `dockerd` daemon. ### Patches Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing. ### Credits Maintainers 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 [email protected].
Affected packages (2)
- Debian/docker.iofrom 0, < 20.10.3+dfsg1-1
- Go/github.com/moby/mobyfrom 0, < 19.3.15
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References (10)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-21285
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-21285
- WEBhttps://docs.docker.com/engine/release-notes/#20103
- WEBhttps://github.com/moby/moby/commit/8d3179546e79065adefa67cc697c09d0ab137d30
- WEBhttps://github.com/moby/moby/releases/tag/v19.03.15
- WEBhttps://github.com/moby/moby/releases/tag/v20.10.3
- WEBhttps://github.com/moby/moby/security/advisories/GHSA-6fj5-m822-rqx8
- WEBhttps://security.gentoo.org/glsa/202107-23
- WEBhttps://security.netapp.com/advisory/ntap-20210226-0005
- WEBhttps://www.debian.org/security/2021/dsa-4865