PT-2020-5849

CVE-2021-21285

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Published

2020-12-22

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Updated

2026-09-18

Description by

CVSS 3.1
9.8
Critical
MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions: Docker versions prior to 19.03.15 Docker versions prior to 20.10.3
Description: The issue is related to the incorrect processing of a Docker image manifest, which can cause the dockerd daemon to crash when an intentionally malformed image manifest is pulled. This can be exploited by a remote attacker to cause a denial of service.
Recommendations: For Docker versions prior to 19.03.15, update to version 19.03.15 or later to prevent the daemon from crashing. For Docker versions prior to 20.10.3, update to version 20.10.3 or later to prevent the daemon from crashing.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
GHSA-6FJ5-M822-RQX8
ALT-PU-2021-4842
CLEANSTART-2026-BK59402
CLEANSTART-2026-BN11148
CLEANSTART-2026-GY69323
CLEANSTART-2026-HI89495
CLEANSTART-2026-HL71566
CLEANSTART-2026-JD48541
CLEANSTART-2026-OS18490
CLEANSTART-2026-SB85645
CLEANSTART-2026-SP51034
CLEANSTART-2026-TD34476
CLEANSTART-2026-TE15990
CLEANSTART-2026-XL45869
CLEANSTART-2026-YB44027
CLEANSTART-2026-ZM20570
DSA-4865-1
OESA-2021-1102
OPENSUSE-SU-2021:0278-1
OPENSUSE-SU-2021_0278-1
OPENSUSE-SU-2021:0878-1
OPENSUSE-SU-2021_0878-1
OPENSUSE-SU-2021:1954-1
OPENSUSE-SU-2021_1954-1
SUSE-SU-2021:0435-1
SUSE-SU-2021:0445-1
SUSE-SU-2021:1458-1
SUSE-SU-2021:1954-1
SUSE-SU-2025:03540-1
SUSE-SU-2025:03545-1
USN-5032-1
USN-5032-2
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