moby v29.9.1 updates containerd to v2.4.2 with security fixes

{
  "id": "b79a8c41a5eb189e0bc3ba52ab2e797cd832f467ab9e14f42f7eed082c8e9b43",
  "url": "https://github.com/moby/moby/releases/tag/docker-v29.9.1",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "moby v29.9.1 updates containerd to v2.4.2 with security fixes",
    "summary": "moby v29.9.1 updates its static containerd binaries to v2.4.2, which includes fixes for vulnerabilities that could crash containerd or exhaust host disk space.",
    "evidence": "Update containerd (static binaries) to v2.4.2.",
    "products": [
      {
        "name": {
          "value": "moby",
          "evidence": "Release notes from moby"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "v29.9.1",
            "evidence": "v29.9.1"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "containerd",
          "evidence": "The containerd update to v2.4.2"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "v2.4.2",
            "evidence": "Update containerd (static binaries) to v2.4.2."
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [
      {
        "cve": "CVE-2026-95839",
        "product": "containerd",
        "evidence": "The containerd update to v2.4.2 includes fixes for the following security vulnerabilities: CVE-2026-95839"
      }
    ],
    "related_cves": [
      {
        "value": "CVE-2026-95839",
        "evidence": "CVE-2026-95839: Pulling or importing an image through containerd's transfer service could crash containerd if a child descriptor contained the io.containerd.manifest.subject annotation and a malformed digest."
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "github-moby-moby",
  "document_id": 21809,
  "published_at": "2026-10-14T19:28:37+00:00"
}