Containerd Critical Vulnerabilities Expose Host Servers

Three critical vulnerabilities in containerd are reported that can allow attackers to achieve arbitrary code execution and poison local image caches, potentially leading to full host compromise and cross-container impact; the advisory identifies affected versions across multiple release branches, provides patched release versions (2.3.2, 2.2.5, 2.1.9, 2.0.10, 1.7.33) and recommends immediate upgrades and stricter access controls, while noting no confirmed active exploitation or public PoC.