Stack-based Buffer Overflow in FreeIPMI Affecting Dell Systems
CVE-2026-85508

9.8CRITICAL

Key Information:

Vendor

Freeipmi

Status
Freeipmi
Vendor
CVE Published:
4 September 2026

What is CVE-2026-85508?

A stack-based buffer overflow vulnerability exists in FreeIPMI versions prior to 1.6.19, specifically within the _output_dell_system_info_cmc_ipv6_info function. This flaw can be exploited through the cmc-ipv6-info subcommand in IPMI's Dell get-system-info feature, potentially allowing an attacker to execute arbitrary code or disrupt system operations. Users are advised to upgrade to the patched version to mitigate this risk.

Affected Version(s)

FreeIPMI 0 < 1.6.19

References

https://www.openwall.com/lists/oss-security/2026/08/28/5
https://www.gnu.org/software/freeipmi/
https://ftp.gnu.org/gnu/freeipmi/freeipmi-1.6.19.tar.gz

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.