CVE-2026-9002

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.

Score
CVSS 3.1 6.5 Medium
Status
Analyzed - psirt@us.ibm.com
Published
2026-06-30
Last modified
2026-10-25
Weaknesses
CWE-400

Affected products

References

 
 
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