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CVE-2026-26399
Published: Apr 20, 2026
Modified: Apr 22, 2026
PUBLISHED
Description
A stack-use-after-return issue exists in the Arduino_Core_STM32 library prior to version 1.7.0. The pwm_start() function allocates a TIM_HandleTypeDef structure on the stack and passes its address to HAL initialization routines, where it is stored in a global timer handle registry. After the function returns, interrupt service routines may dereference this dangling pointer, resulting in memory corruption.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
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