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DT503710:IBM WebSphere Liberty is affected by an uncontrolled resource consumption due to js-yaml (CVE-2026-84375 7.5DT503710

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Abstract

DT503710:IBM WebSphere Liberty is affected by an uncontrolled resource consumption due to js-yaml (CVE-2026-84375 7.5)

Download Description

The fix for this APAR is targeted for inclusion in 26.0.0.11.

For more information, see: Recommended Updates for WebSphere Application Server

Download Package

IMPORTANT NOTE:
WebSphere Application Server and Liberty fix access requires S&S Entitlement beginning in 2021. Use properly registered IDs to download the fixes in this table.  

Signature file is provided along with interim fix. See Verifying WebSphere Application Server release packages and Verifying Liberty release packages. 
 

IBM Installation Manager packages

DOWNLOADRELEASE DATE

URL

26.0.0.9-WS-WLP-IFDT50371013 October 2026FC
26.0.0.6-WS-WLP-IFDT50371013 October 2026FC
26.0.0.10-WS-WLP-IFDT50371013 October 2026FC

Archive packages (no IM)

DOWNLOADRELEASE DATE

URL

26009-wlp-archive-IFDT50371013 October 2026FC
26006-wlp-archive-IFDT50371013 October 2026FC
260010-wlp-archive-IFDT50371013 October 2026FC
Note: FC stands for Fix Central. Review the What is Fix Central (FC)? FAQs for more details.

Problems Solved

DT503710

Change History

Oct 13 2026: The title and abstract briefly had an incorrect Known Issue identifier.

On

Technical Support

Contact IBM Support at https://www.ibm.com/mysupport/ or 1-800-IBM-SERV (US only).

Document Location

Worldwide

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEQTP","label":"WebSphere Liberty"},"Component":"WebSphere Application Server Liberty","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF017","label":"Mac OS"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z\/OS"}],"Version":"26.0.0.10","Edition":"Liberty Core,Liberty Base,Liberty Network Deployment","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

Document Information

Modified date:
13 October 2026

UID

ibm17292201

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