---
id: CVE-2026-85509
title: >-
  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.
summary: >-
  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.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-121
published: '2026-09-04'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:42:20.313'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85509'
references:
  - url: 'https://ftp.gnu.org/gnu/freeipmi/freeipmi-1.6.19.tar.gz'
    label: cve@mitre.org
  - url: 'https://www.gnu.org/software/freeipmi/'
    label: cve@mitre.org
  - url: 'https://www.openwall.com/lists/oss-security/2026/08/28/5'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00405
epssPercentile: 0.31913
ingestedAt: '2026-09-08T20:10:03.162Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.