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CVE-2026-9002

6.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 could allow an adjacent attacker to cause a denial of service due to improper validation in the XDF decoder. The application processes deeply nested Protocol Buffers messages and attacker-controlled length prefixes without sufficient bounds checking, which may allow an attacker on the same network to trigger a StackOverflowError or OutOfMemoryError, resulting in a crash of the WebSphere Application Server JVM.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · ibmNVD modified 2026-10-25 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:ibm:websphere_extreme_scale:*:*:*:*:*:*:*:*

References 1