CVE-2026-85504 Memory corruption in FreeIPMI
A stack-based buffer overflow in FreeIPMI allows attackers to execute arbitrary code or cause denial of service via malformed Fujitsu SEL responses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-85504?
CVE-2026-85504 is a critical memory corruption vulnerability in FreeIPMI, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FreeIPMI 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-fujitsu-irmc-common.c via malformed Fujitsu SEL long-text responses.
Weakness: CWE-121
Which versions are affected by CVE-2026-85504?
How do I fix CVE-2026-85504?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-85504 being exploited?
There is no known exploitation of CVE-2026-85504 in the wild and no public exploit code.
Sources
Also known as AZL-99101, BELL-CVE-2026-85504, DEBIAN-CVE-2026-85504, GHSA-pgr6-2jvx-924f, UBUNTU-CVE-2026-85504.