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CVE-2025-12888 Constant Time Issue with Xtensa-based ESP32 and X22519

🗓️ 21 Nov 2025 22:50:30Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

CVE-2025-12888: X25519 timing side channels on Xtensa ESP32; use low memory X25519 as default.

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16 Jul 2026 03:47Current
6.1Medium risk
Vulners AI Score6.1
CVSS 41
EPSS0.00291
5