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Amazon Firecracker Virtio PCI Out-of-Bounds Write Vulnerability (CVE-2026-5747)

An out-of-bounds write vulnerability in Amazon Firecracker's virtio PCI transport (CVE-2026-5747) allows a local guest user with root privileges to potentially crash the VMM process or execute arbitrary code on the host.

cve-2026-5747 firecracker out-of-bounds write vmm virtio
3r 2t 1c