CVE-2026-53488

CVE-2026-53488 affects containerd’s CRI plugin: image config LABELs are propagated to containers without validation, enabling potential host-command execution via a plugin that consumes labels. Concrete details across connected docs confirm this vulnerability in containerd versions prior to 1.7.3...

USN-8471-1: containerd vulnerabilities

It was discovered that containerd incorrectly handled HTTP/2 SETTINGS frames. A remote attacker could possibly use this issue to cause containerd to enter an infinite loop, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes via the propagation of unvalidated LABEL values from image configuration to container labels. An attacker can execute arbitrary commands on the host by...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview github.com/containerd/containerd/pkg/cri/server is an industry-standard container runtime with an emphasis on simplicity, robustness and portability. It is available as a daemon for Linux and Windows, which can manage the complete container lifecycle of its host system: image transfer an...

containerd CRI — image-config `LABEL` flows to restart-monitor `binary://` logger: host-root command execution from an image pull

Impact A bug was found in containerd where the CRI plugin propagates labels from an image config LABEL instruction in Dockerfile to a container without validation. This may result in executing an arbitrary command on the host, via a plugin that consumes container labels for some operations. Patch...

PT-2026-51056

Name of the Vulnerable Software and Affected Versions containerd versions prior to 2.3.2 containerd versions prior to 2.2.5 containerd versions prior to 2.1.9 containerd versions prior to 2.0.10 containerd versions prior to 1.7.33 Description A bug in the CRI plugin allows the propagation of labe...

CVE-2023-3384

A flaw was found in the Quay registry. While the image labels created through Quay undergo validation both in the UI and backend by applying a regex validation.py, the same validation is not performed when the label comes from an image. This flaw allows an attacker to publish a malicious image to...

Cross site scripting

A flaw was found in the Quay registry. While the image labels created through Quay undergo validation both in the UI and backend by applying a regex validation.py, the same validation is not performed when the label comes from an image. This flaw allows an attacker to publish a malicious image to...