CVE-2025-12635

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To determine if a feature is enabled for WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature . For IBM WebSphere Application Server Liberty 17.0.0.3 - 25.0.0.12 using the servlet-3.0, servlet-3.1, servlet-4.0, servlet-5.0, or servlet-6.0 feature: \u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH68817 --OR-- \u00b7 Apply Fix Pack 26.0.0.1 or later (targeted availability 1Q2026). For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.26: \u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH68243 --OR-- \u00b7 Apply Fix Pack 9.0.5.27 or later (targeted availability 1Q2026). 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For IBM WebSphere Application Server Liberty 17.0.0.3 - 25.0.0.12 using the servlet-3.0, servlet-3.1, servlet-4.0, servlet-5.0, or servlet-6.0 feature: \u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH68817 --OR-- \u00b7 Apply Fix Pack 26.0.0.1 or later (targeted availability 1Q2026). For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.26: \u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH68243 --OR-- \u00b7 Apply Fix Pack 9.0.5.27 or later (targeted availability 1Q2026). For V8.5.0.0 through 8.5.5.28: \u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves PH68243 --OR-- \u00b7 Apply Fix Pack 8.5.5.29 or later (targeted availability 1Q2026). 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