CVE-2026-85504
Stack buffer overflow in FreeIPMI allows remote code execution via malformed Fujitsu SEL responses.
Is CVE-2026-85504 being exploited?
Not confirmed. CVE-2026-85504 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-85504?
CVE-2026-85504 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-85504?
Yes. A fix has been recorded for CVE-2026-85504. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85504 affect?
CVE-2026-85504 affects FreeIPMI < 1.6.19, Management/monitoring hosts using FreeIPMI, Systems interacting with Fujitsu iRMC/BMC SEL responses. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85504?
Upgrade to FreeIPMI 1.6.19 and restrict/segregate IPMI network access
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution on management/monitoring hosts parsing Fujitsu SEL long-text; full system compromise possible.
Immediate action required
- affected< 1.6.19
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.