CVE-2026-18096 IBM® Db2® could allow a local attacker to cause a denial of service due to a memory leak
A local attacker can cause a denial of service in IBM Db2 by exploiting a memory leak vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18096?
CVE-2026-18096 is a low-severity denial of service vulnerability in Ibm Db2, published on 12 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM Db2 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local attacker to cause a denial of service due to a memory leak.
Weakness: CWE-770
Which versions are affected by CVE-2026-18096?
It affects 1 product.
Products include Ibm Db2.
How do I fix CVE-2026-18096?
No fix has been published for CVE-2026-18096 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-18096 being exploited?
There is no known exploitation of CVE-2026-18096 in the wild and no public exploit code.
Other vulnerabilities in Ibm Db2
Sources
Also known as GHSA-m3x8-g2xx-c49m.