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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. (CVE-2026-85509)

0
Medium
VulnerabilityCVE-2026-85509gcveosvghsa-3j6m-x72j-q52gcve-2026-85509ghsaubuntu-cve-2026-85509ubuntu-pro-14-04-ltsubuntu-pro-16-04-ltsubuntu-pro-18-04-ltsubuntu-pro-20-04-ltsubuntu-22-04-ltsubuntu-24-04-ltsubuntu-26-04-lts
Published: 09/04/2026 (09/04/2026, 05:17:00 UTC)
Source: GCVE Database
Product: freeipmi

Description

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.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Ubuntu:Pro:14.04:LTSmore threats →ghsa
freeipmi
pkg:deb/ubuntu/freeipmi?arch=source&distro=esm-infra-legacy/trusty
Affected versions
<1.1.5-3ubuntu3.3+esm2=1.1.5-3ubuntu2=1.1.5-3ubuntu3=1.1.5-3ubuntu3.1=1.1.5-3ubuntu3.2=1.1.5-3ubuntu3.3=1.1.5-3ubuntu3.3+esm1
Ubuntu:Pro:16.04:LTSmore threats →ghsa
freeipmi
pkg:deb/ubuntu/freeipmi?arch=source&distro=esm-infra-legacy/xenial
Affected versions
<1.4.11-1.1ubuntu4.1~0.16.04.1~esm2=1.1.5-3ubuntu7=1.4.11-1ubuntu1=1.4.11-1.1ubuntu2~0.16.04=1.4.11-1.1ubuntu3~0.16.04=1.4.11-1.1ubuntu4~0.16.04=1.4.11-1.1ubuntu4.1~0.16.04=1.4.11-1.1ubuntu4.1~0.16.04.1~esm1
Ubuntu:Pro:18.04:LTSmore threats →ghsa
freeipmi
pkg:deb/ubuntu/freeipmi?arch=source&distro=esm-infra/bionic
Affected versions
<1.4.11-1.1ubuntu4.1+esm2=1.4.11-1.1ubuntu4=1.4.11-1.1ubuntu4.1=1.4.11-1.1ubuntu4.1+esm1
Ubuntu:Pro:20.04:LTSmore threats →ghsa
freeipmi
pkg:deb/ubuntu/freeipmi?arch=source&distro=esm-infra/focal
Affected versions
<1.6.4-3ubuntu1.1+esm2=1.6.3-1.1ubuntu2=1.6.4-3ubuntu1=1.6.4-3ubuntu1.1=1.6.4-3ubuntu1.1+esm1
Ubuntu:22.04:LTSmore threats →ghsa
freeipmi
pkg:deb/ubuntu/freeipmi?arch=source&distro=jammy
Affected versions
<1.6.9-2ubuntu0.22.04.4=1.6.6-4=1.6.6-5=1.6.8-1=1.6.9-1=1.6.9-2=1.6.9-2ubuntu0.22.04.1=1.6.9-2ubuntu0.22.04.2=1.6.9-2ubuntu0.22.04.3
Ubuntu:24.04:LTSmore threats →ghsa
freeipmi
pkg:deb/ubuntu/freeipmi?arch=source&distro=noble
Affected versions
<1.6.13-3ubuntu0.2=1.6.11-1=1.6.11-2=1.6.13-2=1.6.13-3=1.6.13-3ubuntu0.1
Ubuntu:26.04:LTSmore threats →ghsa
freeipmi
pkg:deb/ubuntu/freeipmi?arch=source&distro=resolute
Affected versions
<1.6.16-1ubuntu0.2=1.6.15-2=1.6.16-1=1.6.16-1ubuntu0.1

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/07/2026, 15:52:46 UTC

Technical Analysis

The vulnerability identified as CVE-2026-85509 affects FreeIPMI prior to version 1.6.19. It is a stack-based buffer overflow in the _read_fru_data function of the libfreeipmi/fru/ipmi-fru.c source file. The flaw is triggered when a BMC returns more data bytes than the function expects, causing an overflow on the stack. This vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.

Potential Impact

Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary code, cause a denial of service, or compromise system integrity due to the stack-based buffer overflow. The critical CVSS score reflects the potential for complete system compromise without any required privileges or user interaction.

Mitigation Recommendations

A fix for this vulnerability is available in FreeIPMI version 1.6.19. Users should upgrade to version 1.6.19 or later to remediate this issue. Patch status is not explicitly confirmed in the provided data, but the versioning indicates the fix is included starting from 1.6.19. Until upgraded, systems remain vulnerable.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-3j6m-x72j-q52g
Osv Schema Version
1.4.0
Aliases
["CVE-2026-85509"]
Database Specific Severity
CRITICAL
Cvss Version
3.1

Threat ID: 6a9ad4e9acd9273b49b6770e

Added to database: 09/04/2026, 14:25:45 UTC

Last enriched: 09/07/2026, 15:52:46 UTC

Last updated: 10/17/2026, 18:48:23 UTC

Views: 19

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