{"id":"CVE-2021-34259","details":"A buffer overflow vulnerability in the USBH_ParseCfgDesc() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below allows attackers to execute arbitrary code.","modified":"2026-04-12T00:39:20.523546Z","published":"2021-07-22T20:15:08.150Z","references":[{"type":"EVIDENCE","url":"https://github.com/STMicroelectronics/STM32CubeH7/issues/76"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/STMicroelectronics/STM32CubeH7","events":[{"introduced":"0"},{"last_affected":"beced99ac090fece04d1e0eb6648b8075e156c6c"}],"database_specific":{"cpe":"cpe:2.3:a:st:stm32cube_middleware:*:*:*:*:*:*:*:*","source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"1.8.0"}]}}],"versions":["v1.5.0","v1.6.0","v1.7.0","v1.8.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-34259.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}