Medium severity6.8NVD Advisory· Published Jul 22, 2021· Updated Jun 17, 2026
CVE-2021-34259
CVE-2021-34259
Description
A buffer overflow vulnerability in the USBH_ParseCfgDesc() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below allows attackers to execute arbitrary code.
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Affected products
3- STMicroelectronics/STM32Cube Middlewaredescription
- Range: <=1.8.0
Patches
Vulnerability mechanics
References
1- github.com/STMicroelectronics/STM32CubeH7/issues/76nvdExploitThird Party Advisory
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