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arduino
arduinocore-avr
ArduinoCore-AVR: Stack-Based Buffer Overflow in String float/double concatenation handler
CVE-2026-48490
6.9
Medium
September 11, 2026
arduino
arduinocore-avr
ArduinoCore-avr has Stack-Based Buffer Overflow in WString Float/Double Constructors
CVE-2025-69209
Fix available
6.9
Medium
January 21, 2026
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