Stack-based Buffer Overflow in FreeIPMI Affects GNU Software Products
CVE-2026-85509

9.8CRITICAL

Key Information:

Vendor

Freeipmi

Status
Freeipmi
Vendor
CVE Published:
4 September 2026

What is CVE-2026-85509?

In FreeIPMI versions prior to 1.6.19, a stack-based buffer overflow vulnerability exists within the _read_fru_data function located in libfreeipmi/fru/ipmi-fru.c. This vulnerability arises when a Baseboard Management Controller (BMC) responds with more data than the application requests. This can lead to potential exploitation, allowing attackers to execute arbitrary code or cause a denial of service. It is essential for users of FreeIPMI to upgrade to version 1.6.19 or later to mitigate this issue.

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

.