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Security Bulletin: A security vulnerability has been identified in IBM WebSphere Application Server Liberty shipped with IBM Standards Processing Engine and IBM Transformation Extender Advanced (CVE-2015-3183)

Security Bulletin


IBM WebSphere Application Server Liberty is shipped with IBM Standards Processing Engine and IBM Transformation Extender Advanced. Information about a security vulnerability affecting IBM WebSphere Application Server Liberty has been published in a security bulletin.

Vulnerability Details

CVEID: CVE-2015-3183
Apache HTTP Server is vulnerable to HTTP request smuggling, caused by a chunk header parsing flaw in the apr_brigade_flatten() function. By sending a specially-crafted request in a malformed chunked header to the Apache HTTP server, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base Score: 6.1
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

IBM Standards Processing Engine version (common component)

IBM Transformation Extender Advanced version



VRMFRemediation/First Fix
IBM Standards Processing Engine8. ( for common component) available on Fix Central
IBM Transformation Extender Advanced9. available on PassPort Advantage

Workarounds and Mitigations


Get Notified about Future Security Bulletins

Important Note

IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.



Change History

18 March 2016 Original version published
7 April 2016 Updated vulnerability details

*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.

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Document Information

Modified date:
16 June 2018