CVE-2026-85508· NVD / CVE Program· CNA mitre

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 (

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).

CriticalCVSS 9.8 · v3.1—No exploit Fix available

Published: Sep 4, 2026
Updated: Sep 8, 2026
EPSS: 0.4% · 33th percentile
CWE: CWE-121

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Action score

Monitor

Low priority for now.

CVSS: 39 / 40 · 9.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.4%

CISA SSVC decision

Exploitation: none
Automatable: yes
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · mitre: 9.8; NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (mitre). Independent of NVD's CPE analysis and usually ahead of it.

FreeIPMI FreeIPMI
- before 1.6.19affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Ecosystem	Package	Affected range	Fix
Debian:12	freeipmi	all versions	—
Debian:14	freeipmi	before 1.6.19-1	1.6.19-1
openSUSE:Leap 16.0	freeipmi	before 1.6.15-160000.5.1	1.6.15-160000.5.1
openSUSE:Tumbleweed	freeipmi	before 1.6.19-1.1	1.6.19-1.1
SUSE:Linux Enterprise Module for Basesystem 15 SP7	freeipmi	before 1.6.8-150400.3.6.1	1.6.8-150400.3.6.1
SUSE:Linux Micro 6.1	freeipmi	before 1.6.14-slfo.1.1_4.1	1.6.14-slfo.1.1_4.1

Same product

freeipmi: all records

Other highest-scoring records for the same primary product.

CVE-2026-85509FreeIPMI 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
39Monitor
CVE-2026-85507ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in _output_dell_system_info_cmc_info in ipmi-oem/ipmi-oem-dell.c (cmc-i
39Monitor
CVE-2026-85506ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in _get_dell_system_info_idrac_info in ipmi-oem/ipmi-oem-dell.c (idrac-
39Monitor
CVE-2026-85504FreeIPMI before 1.6.19 has a stack-based buffer overflow in _ipmi_sel_oem_fujitsu_get_sel_entry_long_text in libfreeipmi/sel/ipmi-sel-string
39Monitor
CVE-2026-85505ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer over-read in ipmi_oem_fujitsu_get_sel_entry_long_text in ipmi-oem/ipmi-oem-fujit
30Monitor
CVE-2026-50031ipmi-oem in FreeIPMI before 1.6.18 has exploitable buffer overflows on response messages.
30Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
FreeIPMI FreeIPMI	1.6.19	Vendor (CNA)
azl3 freeipmi 1.6.18-1 on Azure Linux 3.0	1.6.19-1	Microsoft (MSRC)
debian:freeipmi	1.6.19-1 · Debian:14	Package registry (OSV)
opensuse:freeipmi	1.6.19-1.1 · openSUSE:Tumbleweed	Package registry (OSV)
suse:freeipmi	1.6.14-slfo.1.1_4.1 · SUSE:Linux Micro 6.1	Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2026-855040 days apartFreeIPMI before 1.6.19 has a stack-based buffer overflow in _ipmi_sel_oem_fujitsu_get_sel_entry_long_text in libfreeipmi/sel/ipmi-sel-string
39Monitor
CVE-2026-855060 days apartipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in _get_dell_system_info_idrac_info in ipmi-oem/ipmi-oem-dell.c (idrac-
39Monitor
CVE-2026-855070 days apartipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in _output_dell_system_info_cmc_info in ipmi-oem/ipmi-oem-dell.c (cmc-i
39Monitor
CVE-2026-855090 days apartFreeIPMI 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
39Monitor
CVE-2026-5003193 days apartipmi-oem in FreeIPMI before 1.6.18 has exploitable buffer overflows on response messages.
30Monitor
CVE-2026-33554164 days apartipmi-oem in FreeIPMI before 1.6.17 has exploitable buffer overflows on response messages.
30Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-26-1009 · Sep 4, 2026(FreeIPMI Güvenlik Zafiyeti)

All national notices →

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
No account or password is required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-121 · Stack-based Buffer Overflow

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

Fix✗ → ✓Sep 28, 2026, 10:07 PM UTC

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records

Noroxi analysis

No Noroxi analysis for this record yet

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Data sources and verification

CNA: mitre

CVE.org (CNA)Sep 4, 2026, 4:38 PM UTC
CISA ADPSep 4, 2026, 4:38 PM UTC
NVDSep 8, 2026, 3:42 PM UTC
FIRST EPSSOct 9, 2026, 12:00 AM UTC
OSV / GHSAOct 10, 2026, 3:22 AM UTC
MSRCOct 5, 2026, 3:24 AM UTC

Each line is when that source was last processed for this record.

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