Vulnerability · Published Sep 4, 2026 · Assigned by mitre
CVE-2026-85509
Critical 9.8
In plain English
A critical-severity stack buffer overflow in FreeIPMI from FreeIPMI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 57.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | freeipmi | 1.6.20-1.el10_2 | ALSA-2026:89905 |
| AlmaLinux:8 | freeipmi | 1.6.20-1.el8_10 | ALSA-2026:89754 |
| AlmaLinux:9 | freeipmi | 1.6.20-1.el9_8 | ALSA-2026:89753 |
| AlmaLinux:10 | freeipmi-bmc-watchdog | 1.6.20-1.el10_2 | ALSA-2026:89905 |
| AlmaLinux:8 | freeipmi-bmc-watchdog | 1.6.20-1.el8_10 | ALSA-2026:89754 |
| AlmaLinux:9 | freeipmi-bmc-watchdog | 1.6.20-1.el9_8 | ALSA-2026:89753 |
| AlmaLinux:10 | freeipmi-devel | 1.6.20-1.el10_2 | ALSA-2026:89905 |
| AlmaLinux:8 | freeipmi-devel | 1.6.20-1.el8_10 | ALSA-2026:89754 |
| AlmaLinux:9 | freeipmi-devel | 1.6.20-1.el9_8 | ALSA-2026:89753 |
| AlmaLinux:10 | freeipmi-ipmidetectd | 1.6.20-1.el10_2 | ALSA-2026:89905 |
| AlmaLinux:8 | freeipmi-ipmidetectd | 1.6.20-1.el8_10 | ALSA-2026:89754 |
| AlmaLinux:9 | freeipmi-ipmidetectd | 1.6.20-1.el9_8 | ALSA-2026:89753 |
| AlmaLinux:10 | freeipmi-ipmiseld | 1.6.20-1.el10_2 | ALSA-2026:89905 |
| AlmaLinux:8 | freeipmi-ipmiseld | 1.6.20-1.el8_10 | ALSA-2026:89754 |
| AlmaLinux:9 | freeipmi-ipmiseld | 1.6.20-1.el9_8 | ALSA-2026:89753 |
| Debian:12 | freeipmi | no fix listed | DEBIAN-CVE-2026-85509 |
| Debian:13 | freeipmi | no fix listed | DEBIAN-CVE-2026-85509 |
| Debian:14 | freeipmi | 1.6.19-1 | DEBIAN-CVE-2026-85509 |
| Rocky Linux:10 | freeipmi | 0:1.6.20-1.el10_2 | RLSA-2026:89905 |
| Rocky Linux:8 | freeipmi | 0:1.6.20-1.el8_10 | RLSA-2026:89754 |
| Rocky Linux:9 | freeipmi | 0:1.6.20-1.el9_8 | RLSA-2026:89753 |
| Ubuntu:22.04:LTS | freeipmi | 1.6.9-2ubuntu0.22.04.4 | UBUNTU-CVE-2026-85509 |
| Ubuntu:22.04:LTS | freeipmi | 1.6.9-2ubuntu0.22.04.4 | USN-8843-1 |
| Ubuntu:24.04:LTS | freeipmi | 1.6.13-3ubuntu0.2 | USN-8843-1 |
| Ubuntu:24.04:LTS | freeipmi | 1.6.13-3ubuntu0.2 | UBUNTU-CVE-2026-85509 |
| Ubuntu:26.04:LTS | freeipmi | 1.6.16-1ubuntu0.2 | USN-8843-1 |
| Ubuntu:26.04:LTS | freeipmi | 1.6.16-1ubuntu0.2 | UBUNTU-CVE-2026-85509 |
Affected products (as reported)
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H