CVE-2009-4439 Denial of service in n/a

What is CVE-2009-4439?

CVE-2009-4439 is a medium-severity denial of service vulnerability in Ibm Db2, published on 28 Dec 2009. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Unspecified vulnerability in the Query Compiler, Rewrite, and Optimizer component in IBM DB2 9.5 before FP5 allows remote authenticated users to cause a denial of service (instance crash) by compiling a SQL query.

Which versions are affected by CVE-2009-4439?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2009-4439?

No fix has been published for CVE-2009-4439 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-2009-4439 being exploited?

There is no known exploitation of CVE-2009-4439 in the wild and no public exploit code.

Other vulnerabilities in Ibm Db2

• CVE-2012-1797 IBM DB2 9.5 uses world-writable permissions for nodes.reg, which has unspecified impact and attack vectors. Critical 10.0
• CVE-2010-3731 Memory corruption in n/a Critical 10.0
• CVE-2010-3193 Other in n/a Critical 10.0
• CVE-2009-4335 Other in n/a Critical 10.0
• CVE-2009-3473 Missing authorization in n/a Critical 10.0

All Ibm Db2 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wwmg-hpgx-829f.