Security Bulletin: Denial of Service Vulnerability in DB2's XSLT Library. (CVE-2013-5466)

Security Bulletin


A vulnerability in IBM DB2's XSLT library could allow a remote, authenticated user to cause server denial of service.

Vulnerability Details

CVE ID: CVE-2013-5466


The IBM DB2 products listed below contain a security vulnerability which could allow a remote, authenticated user to exploit a vulnerability in DB2's XSLT library to cause a denial of service.

CVSS Base Score: 3.5
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS String: (AV:N/AC:M/Au:S/C:N/I:N/A:P)

Affected Products and Versions

The following IBM DB2 V9.5, V9.7, V10.1 and V10.5 editions running on AIX, Linux, HP, Solaris and Windows:

IBM® DB2® Express Edition
IBM® DB2® Workgroup Server Edition
IBM® DB2® Enterprise Server Edition
IBM® DB2® Advanced Enterprise Server Edition
IBM® DB2® Advanced Workgroup Server Edition
IBM® DB2® Connect™ Application Server Edition
IBM® DB2® Connect™ Enterprise Edition
IBM® DB2® Connect™ Unlimited Edition for System i®
IBM® DB2® Connect™ Unlimited Edition for System z®

The following IBM V9.8 editions running on AIX and Linux:

IBM® DB2® pureScale™ Feature for Enterprise Server Edition

The DB2 Connect products mentioned are affected only if a local database has been created.


The recommended solution is to apply the appropriate fix for this vulnerability.

The fix for this vulnerability is available for download for DB2 and DB2 Connect release V9.7 FP9, V10.1 FP3a/FP4 and V10.5 FP3.

For DB2 and DB2 Connect V9.5 and V9.8, the fix is planned to be made available in future fix packs.

A special build with an interim patch for this issue may be requested for DB2 and DB2 Connect V9.5 FP9 & FP10 and V9.8 FP5. Please contact your service representative to request the special build and reference the APAR number for the release you want.

In general, DB2 fix packs can be downloaded from the following site: You may download the specific fix pack you need from the following:

Release APAR Download URL
V9.5 IC97402 Please contact technical support.
V9.7 FP9 IC97470
V9.8 IC97763 Please contact technical support.
V10.1 FP3a IC97471
V10.1 FP4 IC97471
V10.5 FP3 IC97472

Contact Technical Support:

In the United States and Canada dial 1-800-IBM-SERV
View the support contacts for other countries outside of the United States.
Electronically open a Service Request with DB2 Technical Support.

Note: IBM’s statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM’s sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion.

Workarounds and Mitigations


Get Notified about Future Security Bulletins


Complete CVSS v2 Guide
On-line Calculator v2
This problem was reported to IBM by Danny Tsechansky at

Related information

Change History

December 13, 2013: Original version published.
Feburary 18, 2014: Added V10.5 FP3 download URL.
June 3, 2014: Added V10.1 FP4 download URL.
June 10, 2014: Added V10.1 FP3a download URL.

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Cross reference information
Segment Product Component Platform Version Edition
Information Management DB2 Connect 9.7, 9.5, 10.1, 10.5

Document information

More support for:

DB2 for Linux, UNIX and Windows

Software version:

9.5, 9.7, 9.8, 10.1, 10.5

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Software edition:

Advanced Enterprise Server, Enterprise Server, Express, Express-C, Personal, Workgroup Server

Reference #:


Modified date:


Translate my page

Content navigation