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CVE-2026-12051 NULL pointer dereference in USB DFU device_next download handler (handle_download)

🗓️ 11 Aug 2026 05:31:19Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Zephyr device_next USB DFU handle_download dereferences NULL buf on zero-length DFU_DNLOAD, causing a fatal CPU fault and device crash.

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12 Aug 2026 15:32Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.14.6
3