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CVE-2021-21285

docker: daemon crash during image pull of malicious image

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · February 1, 2021

Updated · August 14, 2026

Description

A flaw was found in Docker. Pulling an intentionally malformed Docker image manifest could lead to a crash of the dockerd daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-354 · Improper Validation of Integrity Check Value