Proxmox CVE

Missing buffer limits when processing Qemu guest agent responses

PSA-2026-00072-1 PVE

Affected packages

qemu-server

Details

An attacker with access to a VM with configured guest agent can consume excessive memory usage on the host side during QGA response processing.

This issue was reported privately by Project Loupe.

Fixed in

  • qemu-server >= 9.2.11

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