CVE-2023-30443 IBM Db2 denial of service

Medium 5.3 Published Updated

Attackers can cause a denial of service in IBM Db2 by submitting specially crafted queries, requiring database administrators to apply vendor patches.

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-2023-30443?

CVE-2023-30443 is a medium-severity denial of service vulnerability in Ibm Db2, published on 19 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to denial of service with a specially crafted query.

Weakness: CWE-770

Which versions are affected by CVE-2023-30443?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2023-30443?

No fix has been published for CVE-2023-30443 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-2023-30443 being exploited?

There is no known exploitation of CVE-2023-30443 in the wild and no public exploit code.

All Ibm Db2 vulnerabilities

Sources

Also known as GHSA-rghv-2x52-r3g8.

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