CVE-2025-2534 IBM Db2 denial of service
Attackers can crash the IBM Db2 database server by submitting specially crafted queries, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-2534?
CVE-2025-2534 is a medium-severity denial of service vulnerability in Ibm Db2, published on 7 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM Db2 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.
Weakness: CWE-789
Which versions are affected by CVE-2025-2534?
It affects 1 product.
Products include Ibm Db2.
How do I fix CVE-2025-2534?
No fix has been published for CVE-2025-2534 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-2025-2534 being exploited?
There is no known exploitation of CVE-2025-2534 in the wild and no public exploit code.
Other vulnerabilities in Ibm Db2
Sources
Also known as GHSA-pp8v-2qr4-vr68.