Dockerfiles are scripts used to build Docker images for containerized applications.
Overview
Dockerfiles are scripts used to build Docker images for containerized applications. In security terms, flaws in the container runtime or build/deploy workflows can enable attackers to deploy malicious containers or escape to the host. The recent article highlights dangerous runC vulnerabilities that could allow container escapes from Docker containers, underscoring the security risk to Docker deployments and workflows based on Dockerfiles.
Related Threat Clusters
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Critical runC Vulnerabilities Enable Container Escape on Docker and Kubernetes
Three critical vulnerabilities in runC, tracked as CVE-2025-31133, CVE-2025-52565, and CVE-2025-52881, allow attackers to escape container isolation and gain root access to host systems. These flaws arise from improper…
10 articles · Updated November 24, 2025 -
Critical runC Vulnerabilities Enable Container Escape and Host Compromise
Security researchers disclosed three critical vulnerabilities in runC, the container runtime used by Docker and Kubernetes, allowing attackers to escape container isolation and gain root access to host systems. The…
5 articles · Updated November 13, 2025
Recent Intelligence Reports
- Dangerous runC flaws could allow hackers to escape Docker containers — Bleepingcomputer · November 9, 2025