CVE-2025-36247 IBM Db2 XML External Entity Reference

What is CVE-2025-36247?

CVE-2025-36247 is a high-severity vulnerability in Ibm Db2, published on 17 Feb 2026. 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) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

Weakness: CWE-611

Which versions are affected by CVE-2025-36247?

It affects 1 product.

Products include Ibm Db2.

How do I fix CVE-2025-36247?

No fix has been published for CVE-2025-36247 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-36247 being exploited?

There is no known exploitation of CVE-2025-36247 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-f8p4-3gj8-2gxj.