Understanding and Defending Against CVE-2026-85504: A Critical Stack-Based Buffer Overflow in FreeIPMI
CVE-2026-85504 is a critical stack-based buffer overflow vulnerability in FreeIPMI, a software for managing and monitoring IPMI-enabled devices. This vulnerability, with a CVSS score of 9.8, allows remote attackers to execute arbitrary code on affected systems. The vulnerability exists in the _ipmi_sel_oem_fujitsu_get_sel_entry_long_text function and is triggered by malformed Fujitsu SEL long-text responses. Understanding and defending against this vulnerability is crucial for maintaining the security of IPMI-enabled devices.