CVE-2026-85509

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{"bugzilla": {"description": "FreeIPMI: FreeIPMI: Arbitrary code execution via stack-based buffer overflow", "id": "2528399", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2528399"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-121", "details": ["A flaw was found in FreeIPMI. This vulnerability is a stack-based buffer overflow in the _read_fru_data function, which occurs when a Baseboard Management Controller (BMC) returns more bytes than requested. A remote attacker could exploit this flaw by sending a specially crafted response, potentially leading to arbitrary code execution."], "mitigation": {"lang": "en:us", "value": "Restrict IPMI and BMC access to a dedicated, trusted management network so FreeIPMI clients cannot reach untrusted or compromised controllers. Please do not run ipmi-fru or bmc-device --read-fru against untrusted BMCs. If FRU inventory queries are not required, do not use those tools (or other libfreeipmi FRU callers) against remote management controllers."}, "name": "CVE-2026-85509", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "freeipmi", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "freeipmi", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "freeipmi", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "freeipmi", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "freeipmi", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-04T04:21:45Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-85509\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-85509\nhttps://ftp.gnu.org/gnu/freeipmi/freeipmi-1.6.19.tar.gz\nhttps://www.gnu.org/software/freeipmi/\nhttps://www.openwall.com/lists/oss-security/2026/08/28/5"], "statement": "Important: This stack-based buffer overflow in FreeIPMI could lead to arbitrary code execution. The vulnerability requires user interaction, as an attacker would need to entice an administrator to execute FreeIPMI commands against a malicious or compromised Baseboard Management Controller (BMC) that returns an oversized response.", "threat_severity": "Important"}

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