CVE-2025-36247

High

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.

SeverityHigh
CVSS7.1
Exploit probability—
ProductIbm Db2
PublishedFeb 17, 2026
First seenFeb 17, 2026

How to fix

Affected products

ProductAffected versionsFixed in
ibm db211.5.0 ≤ v ≤ 11.5.9, 12.1.0 ≤ v ≤ 12.1.3—

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CVE-2025-36247 · Ibm Db2 · Dark Radar