XML External Entity Injection Vulnerability in IBM Db2
CVE-2025-36247

7.1HIGH

Key Information:

Vendor

IBM
Status
Db2 For Linux, Unix And Windows
Vendor
CVE Published:
17 February 2026

What is CVE-2025-36247?

IBM Db2 for Linux, UNIX and Windows (including Db2 Connect Server) versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 are vulnerable to an XML External Entity (XXE) injection attack during the processing of XML data. This vulnerability allows a remote attacker to exploit the application, potentially leading to the exposure of sensitive information, unauthorized access, and increased consumption of memory resources. Organizations using these versions are strongly advised to apply the available patches to mitigate this risk.

Affected Version(s)

Db2 for Linux, UNIX and Windows 11.5.0 <= 11.5.9

Db2 for Linux, UNIX and Windows 12.1.0 <= 12.1.3

References

https://www.ibm.com/support/pages/node/7259961
patchvendor-advisory

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.