---
id: CVE-2026-85508
title: >-
  ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in
  _output_dell_system_info_cmc_ipv6_info in ipmi-oem/ipmi-oem-dell.c
  (cmc-ipv6-info subcommand to dell get-system-info).
summary: >-
  ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in
  _output_dell_system_info_cmc_ipv6_info in ipmi-oem/ipmi-oem-dell.c
  (cmc-ipv6-info subcommand to dell get-system-info).
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-2026-85508'
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
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85508.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-85508'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2528401'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-85508'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85508'
  - url: 'https://access.redhat.com/errata/RHSA-2026:89905'
  - url: 'https://access.redhat.com/errata/RHSA-2026:89753'
  - url: 'https://access.redhat.com/errata/RHSA-2026:89754'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00405
epssPercentile: 0.34549
ingestedAt: '2026-09-08T20:10:03.162Z'
vendor: Red Hat
product: Red Hat Enterprise Linux AppStream (v. 9)
affected:
  - enterprise_linux 6
  - enterprise_linux 7
  - enterprise_linux_appstream_v_10
  - enterprise_linux_appstream_v_9
  - enterprise_linux_baseos_v_8
  - enterprise_linux_codeready_linux_builder_v_10
  - enterprise_linux_crb_v_8
  - enterprise_linux_codeready_linux_builder_v_9
patched:
  - enterprise_linux_appstream_v_10
  - enterprise_linux_appstream_v_9
  - enterprise_linux_baseos_v_8
  - enterprise_linux_codeready_linux_builder_v_10
  - enterprise_linux_crb_v_8
  - enterprise_linux_codeready_linux_builder_v_9
scores:
  nvd: 9.8
  vendor: 7.5
---

## Overview

ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in _output_dell_system_info_cmc_ipv6_info in ipmi-oem/ipmi-oem-dell.c (cmc-ipv6-info subcommand to dell get-system-info).

## Remediation

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

## Vendor advisories

- **RHSA-2026:89905** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-10-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:89905)
- **RHSA-2026:89753** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-10-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:89753)
- **RHSA-2026:89754** · Red Hat · fixed in: Red Hat Enterprise Linux BaseOS (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-10-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:89754)
- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 · updated 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85508.json)