Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2021-21285

Published: 2 February 2021

In Docker before versions 9.03.15, 20.10.3 there is a vulnerability in which pulling an intentionally malformed Docker image manifest crashes the dockerd daemon. Versions 20.10.3 and 19.03.15 contain patches that prevent the daemon from crashing.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
docker.io
Launchpad, Ubuntu, Debian
bionic
Released (20.10.7-0ubuntu1~18.04.1)
focal
Released (20.10.7-0ubuntu1~20.04.1)
groovy Ignored
(end of life)
hirsute
Released (20.10.7-0ubuntu1~21.04.1)
impish Not vulnerable
(20.10.7-0ubuntu1)
jammy Not vulnerable
(20.10.7-0ubuntu1)
kinetic Not vulnerable
(20.10.7-0ubuntu1)
lunar Not vulnerable
(20.10.7-0ubuntu1)
mantic Not vulnerable
(20.10.7-0ubuntu1)
trusty Does not exist

upstream Needs triage

xenial Needed

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H