CVE-2026-0461

Insufficient boundary validation in the USB boot mode implementation of AMD Zynq™ UltraScale+ MPSoC and RFSoC devices could allow unbounded Device Firmware Upgrade DFU download requests to overflow the DDR receive buffer into FSBL memory, potentially resulting in unauthorized code execution durin...

CVE-2026-0461

Insufficient boundary validation in the USB boot mode implementation of AMD Zynq™ UltraScale+ MPSoC and RFSoC devices could allow unbounded Device Firmware Upgrade DFU download requests to overflow the DDR receive buffer into FSBL memory, potentially resulting in unauthorized code execution durin...

AMD Zynq™ UltraScale+ MPSoC and RFSoC Devices – Secure Boot Bypass via Unbounded DFU Download Requests

CVE Details Refer to Glossary for explanation of terms CVE| CVE Description| CVSS Base Score ---|---|--- CVE-2026-0461| Insufficient boundary validation in the USB boot mode implementation of AMD Zynq™ UltraScale+ MPSoC and RFSoC devices could allow unbounded Device Firmware Upgrade DFU download...