docker: Mehrere Schwachstellen
WID-SEC-2026-2111 · first 29.06.2026 · updated 26.10.2026 · CVSS 5,5
What it is about
Docker ist eine Open-Source-Software, die dazu verwendet werden kann, Anwendungen mithilfe von Betriebssystemvirtualisierung in Containern zu isolieren. Ein Angreifer kann mehrere Schwachstellen in docker ausnutzen, um einen Denial of Service Angriff durchzuführen oder Sicherheitsmaßnahmen zu umgehen.
Under what conditions?
The BSI does not name any particular preconditions.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen oder Sicherheitsmaßnahmen zu umgehen
Am I affected?
Affected according to the BSI:
- Amazon Linux 2
- Red Hat Enterprise Linux
- Microsoft Azure Linux azl3
- Open Source docker cli <29.6.1
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source docker cli 29.6.1
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Docker Releases vom 2026-06-28 github.com
- Red Hat Security Advisory RHSA-2026:66521 vom 2026-09-11 access.redhat.com
- Amazon Linux Security Advisory ALAS2DOCKER-2026-142 vom 2026-09-29 alas.aws.amazon.com
- Microsoft Security Update Guide vom 2026-10-14 msrc.microsoft.com
- Amazon Linux Security Advisory ALAS2NITRO-ENCLAVES-2026-128 vom 2026-10-25 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2ECS-2026-145 vom 2026-10-25 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2DOCKER-2026-154 vom 2026-10-25 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2DOCKER-2026-153 vom 2026-10-25 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2ECS-2026-151 vom 2026-10-25 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2NITRO-ENCLAVES-2026-125 vom 2026-10-25 alas.aws.amazon.com
CVE: CVE-2026-61711, CVE-2026-61712, CVE-2026-61801, CVE-2026-75593
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.