CVE-2026-85509: FreeIPMI: FreeIPMI: Arbitrary code execution via stack-based buffer overflow

Severity: Critical

CVSS Score: 9.8

FreeIPMI before 1.6.19 has a stack-based buffer overflow in _read_fru_data in libfreeipmi/fru/ipmi-fru.c when a BMC returns more bytes than requested.