CVE-2026-79839 HPE NonStop ODBC/MX Server - Memory corruption vulnerability
A buffer overflow in HPE NonStop ODBC/MX Server allows attackers to cause memory corruption and application crashes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-79839?
CVE-2026-79839 is a high-severity memory corruption vulnerability in Hewlett Packard Enterprise HPE NonStop ODBC/MX Server, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A buffer overflow vulnerability in HPE NonStop ODBC/MX Server may cause memory corruption, resulting in application crash.
Weakness: CWE-121
Which versions are affected by CVE-2026-79839?
How do I fix CVE-2026-79839?
No fix has been published for CVE-2026-79839 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-79839 being exploited?
There is no known exploitation of CVE-2026-79839 in the wild and no public exploit code.
Sources
Also known as GHSA-rrch-6jcm-7hcp.