Containerd — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
10
occurrences
First Seen
November 8, 2025
Last Seen
July 24, 2026

Related Threat Clusters

  • Multiple Vulnerabilities in containerd Affecting Ubuntu Systems

    On June 25, 2026, several vulnerabilities in containerd were disclosed, affecting various Ubuntu LTS versions. Key issues include improper handling of HTTP/2 SETTINGS frames (CVE-2026-33814), which can lead to denial of…

    6 articles · Updated June 25, 2026
  • Kubernetes Runtime Threats Targeting Container Security

    Kubernetes runtime threats exploit vulnerabilities in container orchestration systems, particularly targeting misconfigured pods and excessive privileges. The NSA and CISA have highlighted these vulnerabilities, which…

    2 articles · Updated July 24, 2026
  • runC Container Escape Vulnerabilities Disclosed

    High-severity vulnerabilities in runC (CVE-2025-31133, CVE-2025-52565, CVE-2025-52881) were disclosed in early November 2025. These vulnerabilities allow a malicious container to escape its boundary and potentially…

    2 articles · Updated November 8, 2025
  • 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
  • Security Flaws in Ubuntu 25.10 containerd Allow Unauthorized Access

    A security issue has been identified in containerd affecting multiple Ubuntu versions, including 25.10, 24.04 LTS, and earlier releases. The flaw, discovered by David Leadbeater, involves incorrect directory path…

    5 articles · Updated January 29, 2026
  • openSUSE Podman and OpenSSH Vulnerabilities Addressed in Recent Updates

    openSUSE has released updates for Podman and OpenSSH to address critical vulnerabilities. The Podman update fixes a denial-of-service issue (CVE-2025-47913) related to unexpected message types, while the OpenSSH update…

    22 articles · Updated November 21, 2025
  • Fedora 42 and 43 Address CVE-2024-25621 Vulnerability

    Fedora has released updates for docker-buildkit to address CVE-2024-25621, affecting both Fedora 42 and 43. The update, version 0.26.3, resolves multiple issues identified in the bug reports rhbz#2419004, rhbz#2419033,…

    2 articles · Updated December 26, 2025

Recent Intelligence Reports

  • Kubernetes Runtime Threats Explained — Feeds.Feedburner · July 24, 2026
  • Ubuntu 26.04 High Containerd Denial of Service Issues USN-8472 — Linuxsecurity · June 25, 2026
  • Ubuntu 26.04 containerd Denial of Service Arbitrary Code Exec USN-8471 — Linuxsecurity · June 25, 2026
  • USN-8472-1: containerd vulnerabilities — Ubuntu · June 25, 2026
  • USN-8473-1: containerd — Ubuntu · June 25, 2026
  • USN-7983-1: containerd vulnerabilities — Ubuntu · January 29, 2026
  • Fedora 42: docker-buildkit Update CVE-2024 — Linuxsecurity · December 26, 2025
  • Fedora 43: docker-buildkit Critical Local Escalation CVE-2024 — Linuxsecurity · December 26, 2025

CVSS v3.1 Breakdown